Chemistry (13th Edition)
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The pH decreases because of the presence of the ... more
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The presence of the common ion, , from the ... more
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3.58 ; NaNO2 is a strong electrolyte and neutral ... more
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The combination or mixture of a weak acid and its ... more
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; Calculate the pH of the buffer solution ... more
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For the preparation of the carbonic buffer of pH ... more
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pH = 3.22, pH = 3.17 ; The pH of the buffer ... more
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a and cd ; A buffer solution is created by the ... more
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5.86 is the pH. ; At the equivalence point(point ... more
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5.14 is the pH. ; At the equivalence point, the ... more
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3.51 is the pH. ; For calculating pH, we must know... more
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The pH at the equivalence point must be equal to ... more
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; When lead chromate dissociates, it forms lead... more
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; The reaction of dissociation of AgCl is given ... more
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No precipitation ; When the solution of sodium ... more
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; The reaction of dissociation of Ag2CO3 produces... more
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Supersaturated solution (precipitate form) ; When ... more
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AgBr will precipitate first, and Ag2SO4 will ... more
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; Assume that is the molar solubility of CaF2 in... more
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The irreversible and facile conversion of one of ... more
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; The molar mass of CuSO4 is . It can be seen ... more
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3.39 x 10-3 M ; AgBr is a sparingly soluble salt ... more
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Decreasing in acidic and basic strength ; Whenever... more
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The pKa value of an acid is the quantitative ... more
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HA is more acidic than HB. ; pH is inversely ... more
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(a)11.28 (b)9.07 ; The aqueous solution of ammonia... more
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The solution which resists the change in pH when ... more
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A buffer solution contains both weak acid and weak... more
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HCN is a weak acid and its salt KCN is a strong ... more
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8.88 ; NH3 is a strong electrolyte and a neutral ... more
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0.024 ; Carbonic acid (H2CO3) is a diprotic acid. ... more
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7.03 ; will dissociate into and hydrogen ions. ... more
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0.58 ; The relationship among pH (the negative log... more
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10.47More effective against the acid added. ; ... more
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The pH of the 0.20 M NH3/0.20 M NH4Cl buffer is 9.... more
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(a) pH of the buffer when adding NaOH is 4.82(b) ... more
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Na2A/NaHA ; Calculate and of the solution. It ... more
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HC ; A buffer solution will work effectively if ... more
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; Molarity is defined as the number of moles of ... more
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; HCl is a strong acid and will completely ... more
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It is a qualitative analysis to determine the ... more
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; The number of moles of a monoprotic acid will ... more
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; H2A is a diprotic acid and it will react with ... more
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; of H2SO4 reacts with NaOH and neutralizes it... more
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; Ba(OH)2 is a base and of it is required to ... more
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; First, calculate the number of moles of NaOH ... more
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10.8 ; HCl reacts with CH3NH2 to produce ions and... more
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8.24 ; In this reaction, HCOOH reacts with NaOH ... more
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; HNO2 is a weak acid; thus, its pH will be equal... more
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; In acid - base titrations, equivalence point ... more
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The color of the indicators varies because of its ... more
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A small amount of indicators will not affect the ... more
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Carbonic acid reacts with NaOH and neutralizes it... more
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Red color ; The HIn is a weak acid, and it will be... more
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5.70 ; pH is the negative logarithm of the ... more
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The solubility of BaSO4 is defined as the mass of ... more
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The value of a solubility product will be infinite... more
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; Solubility product of a species can be defined ... more
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To predict if the mixing of two solutions will ... more
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Yes ; Solubility product of a species can be ... more
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; Assuming solubility of MnCO3 is . So The ... more
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; The solubility is given as grams per liter unit... more
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; Mass and molar mass of M2X3 is given as and ... more
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; The dissociation of CaF2 is given. ; ... more
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9.53 ; The dissociation ofZn(OH)2 is given ... more
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; pH is given as 9.68. The hydroxyl ion ... more
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Yes. BaCO3 will precipitate. ; The total volume of... more
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; The dissociation of NaF and Sr(NO3)2 is given ... more
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2.68 to 8.11 ; for Fe(OH)2 is for Zn(OH)2 is ... more
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The solubility decreases when a common ion is ... more
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; Calcium carbonate is partially soluble so it ... more
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; First, calculate the concentration of the ... more
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solubility of BaSO4 increases in acidic solution... more
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The anion, which is the conjugate base of weak ... more
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The molar solubility of Mg(OH)2 in water: The ... more
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; Assuming that the Mg(OH)2 is completely ... more
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precipitate will form ; The initial concentration... more
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According to the Lewis acid-base theory, an acid ... more
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Complex ion formation mostly increases solubility... more
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; The molarity of is calculated by calculating... more
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; The initial concentration of is calculated ... more
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; Upon addition of sodium hydroxide to aluminum ... more
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; On dissolving AgI in ammonia solution, the ... more
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; Silver ions react with of ammonia to form a ... more
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The general process of qualitative analysis is a ... more
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Group 1: Group 2: Group 3: Group 4: Group 5: ; ... more
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Aqueous ammonia ; Silver chloride dissolves in ... more
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; Lead chloride is a sparingly soluble salt and ... more
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Aqueous sodium hydroxide ; Aqueous sodium ... more
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Aqueous solution of HCl is a simple test that can ... more
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pH: 2.51 to 4.41 ; The protonated form of the ... more
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; The number of moles of AgNO3 is calculated by ... more
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; As sodium acetate undergoes dilution, its ... more
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; The titration curve of weak acid (example: ... more
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; Nitrous acid is a weak acid that dissociates ... more
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; Butyric acid dissociates weakly in water to ... more
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; The number of moles of NaOH and HCOOH present ... more
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It is a precipitation reaction. ; One mole of ... more
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Mass: pH: ; The involved chemical reaction is ... more
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; Let the solubility be .The equilibrium reaction... more
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; Since equal volumes of two solutions are used, ... more
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; The equilibrium equation is represented as, Ksp... more
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8.11 ; for Mg(OH)2 is expressed as,Substitute the... more
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; Pb(IO3)2 will dissociate into and . The ... more
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The obtained precipitate is represented as,When ... more
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Ba(NO3)2 is not chosen because it is too soluble, ... more
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7.82 to 10.38 ; As per Henderson-Hasselbalch ... more
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; The number of moles of silver ions can be ... more
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2 ; of oxalic acid reacts with of NaOH and ... more
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The formed gives the dark color to painting. ; ... more
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; Assume that “s” is the molar solubility of ... more
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Because they are not soluble in water ; Amphoteric... more
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Ag2SO4 has greater solubility. ; The equilibrium ... more
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The ionized polyphenols are dark in color. In the ... more
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; In a solution, will dissociate into proton and... more
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Yes ; The concentration of is calculated as the ... more
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HF is a weak acid that partially gives in water ... more
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; The fraction and are 0.5 and 4.75, ... more
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The pH of a solution can be calculated by the ... more
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at at at ; The predominating structure can be ... more
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; The distribution curve of the carbonic acid ... more
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4.75 ; Ammonia will react with HCl and produce ... more
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; The involved chemical reaction is: From the ... more
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; The CuSO4 reacts with Ba(OH)2 and produces Cu(... more
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The first point on the graph, from the left side, ... more
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From the left side, the first point is the half ... more
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At ,At , ; Aluminum hydroxide is insoluble between... more
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No, Fe(OH)2 is more soluble than AgBr. ; ... more
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The outer material, i.e., the egg shell, is made ... more
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The addition of salt and vinegar denatures the ... more
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The formation of ferrous sulfide gives the outer ... more
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In a hard-boiled egg, the egg white and egg are in... more