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Which one of the following compounds is insoluble in water?


A) K2SO4
B) Ca(C2H3O2) 2
C) MgC2O4
D) ZnCl2
E) Mn(NO3) 2

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Which of the following are strong acids? HI HNO3 HF HBr


A) HF, HBr
B) HI, HNO3, HF, HBr
C) HI, HF, HBr
D) HNO3, HF, HBr
E) HI, HNO3, HBr

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Which one of the following is a triprotic acid?


A) nitric acid
B) chloric acid
C) phosphoric acid
D) hydrofluoric acid
E) sulfuric acid

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A 31.5 mL aliquot of H2SO4 (aq) of unknown concentration was titrated with 0.0134 M NaOH (aq) .It took 23.9 mL of the base to reach the endpoint of the titration.The concentration (M) of the acid was ________.


A) 0.0102
B) 0.00508
C) 0.0204
D) 0.102
E) 0.227

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What is the concentration (M)of potassium ions in 153 mL of a 1.25 M K3PO4 solution?

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When aqueous solutions of AgNO3 and KI are mixed,silver iodide precipitates.The balanced net ionic equation is ________.


A) Ag+ (aq) + When aqueous solutions of AgNO<sub>3</sub> and KI are mixed,silver iodide precipitates.The balanced net ionic equation is ________. A) Ag<sup>+</sup> (aq) +   (aq) → AgI (s)  B) Ag<sup>+</sup> (aq) + NO<sub>3</sub><sup>-</sup> (aq) → AgNO<sub>3</sub> (s)  C) Ag<sup>+</sup> (aq) + NO<sub>3</sub><sup>-</sup> (aq) → AgNO<sub>3</sub> (aq)  D) AgNO<sub>3 </sub>(aq) + KI (aq) → AgI (s) + KNO<sub>3</sub> (aq)  E) AgNO<sub>3</sub> (aq) + KI (aq) → AgI (aq) + KNO<sub>3</sub> (s) (aq) → AgI (s)
B) Ag+ (aq) + NO3- (aq) → AgNO3 (s)
C) Ag+ (aq) + NO3- (aq) → AgNO3 (aq)
D) AgNO3 (aq) + KI (aq) → AgI (s) + KNO3 (aq)
E) AgNO3 (aq) + KI (aq) → AgI (aq) + KNO3 (s)

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What volume (mL) of 0.102 M NaOH is required to neutralize What volume (mL) of 0.102 M NaOH is required to neutralize   of   HCl? A) 74.3 B) 3.94 C) 0.773 D) 0.0135 E) 0.000773 of What volume (mL) of 0.102 M NaOH is required to neutralize   of   HCl? A) 74.3 B) 3.94 C) 0.773 D) 0.0135 E) 0.000773 HCl?


A) 74.3
B) 3.94
C) 0.773
D) 0.0135
E) 0.000773

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The net ionic equation for the reaction between aqueous solutions of HF and KOH is ________.


A) HF + KOH → H2O + K+ + F-
B) HF + OH- → H2O + F-
C) HF + K+ + OH- → H2O + KF
D) H+ + OH- → H2O
E) H+ + F- + K+ + OH- → H2O + K+ + F-

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What volume (L) of 0.250 M HNO3 is required to neutralize a solution prepared by dissolving 17.5 g of NaOH in 350 mL of water?


A) 1.25
B) 0.11
C) 1.75
D) 0.070
E) 1.75 × What volume (L) of 0.250 M HNO<sub>3 </sub>is required to neutralize a solution prepared by dissolving 17.5 g of NaOH in 350 mL of water? A) 1.25 B) 0.11 C) 1.75 D) 0.070 E) 1.75 ×

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A 25.5 mL aliquot of HCl (aq) of unknown concentration was titrated with 0.113 M NaOH (aq) .It took 51.2 mL of the base to reach the endpoint of the titration.The concentration (M) of the acid was ________.


A) 1.02
B) 0.114
C) 0.454
D) 0.113
E) 0.227

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Calculate the concentration (M) of sodium ions in a solution made by diluting 50.0 mL of a 0.874 M solution of sodium sulfide to a total volume of 250.0 mL.


A) 0.175
B) 4.37
C) 0.525
D) 0.350
E) 0.874

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Of the choices below,which would be the best for the lining of a tank intended for use in storage of hydrochloric acid?


A) copper
B) zinc
C) nickel
D) iron
E) tin

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What mass (g) of AgBr is formed when What mass (g) of AgBr is formed when   of   AgNO<sub>3</sub> is treated with an excess of aqueous hydrobromic acid? A) 4.59 B) 2.30 C) 25.7 D) 0.130 E) 25,700 of What mass (g) of AgBr is formed when   of   AgNO<sub>3</sub> is treated with an excess of aqueous hydrobromic acid? A) 4.59 B) 2.30 C) 25.7 D) 0.130 E) 25,700 AgNO3 is treated with an excess of aqueous hydrobromic acid?


A) 4.59
B) 2.30
C) 25.7
D) 0.130
E) 25,700

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The molarity (M) of an aqueous solution containing 129 g of glucose (C6H12O6) in 200 mL of solution is ________.


A) 0.716
B) 0.0036
C) 3.58
D) 0.645
E) 645

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The molarity of a solution prepared by diluting 43.72 mL of 1.005 M aqueous K2Cr2O7 to 500.mL is ________.


A) 0.0879
B) 87.9
C) 0.0218
D) 0.0115
E) 0.870

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The balanced reaction between aqueous nitric acid and aqueous strontium hydroxide is ________.


A) HNO3 (aq) + Sr(OH) 2 (aq) → Sr(NO3) 2 (aq) + H2 (g)
B) HNO3 (aq) + Sr(OH) 2 (aq) → H2O (l) + Sr(NO3) 2 (aq)
C) HNO3 (aq) + SrOH (aq) → H2O (l) + SrNO3 (aq)
D) 2HNO3 (aq) + Sr(OH) 2 (aq) → 2H2O (l) + Sr(NO3) 2 (aq)
E) 2HNO3 (aq) + Sr(OH) 2 (aq) → Sr(NO3) 2(aq) + 2H2 (g)

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Which one of the following solutions will have the greatest concentration of hydroxide ions?


A) 1.10 M rubidium hydroxide
B) 0.368 M calcium hydroxide
C) 0.368 M ammonium hydroxide
D) 0.368 M potassium hydroxide
E) 0.368 M sulfuric acid

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An aqueous ethanol solution (400 mL) was diluted to 4.00 L,giving a concentration of 0.0400 M.The concentration of the original solution was ________ M.


A) 0.400
B) 0.200
C) 2.00
D) 1.60
E) 4.00

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If an unknown sample contains 39.04% sulfuric acid by mass,then a 0.9368 g of that sample would require ________ mL of 0.2389 M NaOH for neutralization.


A) 31.22
B) 39.98
C) 7.80
D) 79.96
E) 15.61

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In which reaction does the oxidation number of oxygen increase?


A) Ba(NO3) 2 (aq) + K2SO4 (aq) → BaSO4 (s) + 2KNO3 (aq)
B) HCl (aq) + NaOH (aq) → NaCl (aq) + H2O (l)
C) MgO (s) + H2O (l) → Mg(OH) 2 (s)
D) 2SO2 (g) + O2 (g) → 2SO3 (g)
E) 2H2O (l) → 2H2 (g) + O2 (g)

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