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Chromate ion is added to a saturated solution of Ag2CrO4 to reach 0.78 M CrO42-.Calculate the final concentration of silver ion at equilibrium (Ksp for Ag2CrO4 is 9.0 ×\times 10-12) .


A)  Chromate ion is added to a saturated solution of Ag<sub>2</sub>CrO<sub>4</sub> to reach 0.78 M CrO<sub>4</sub><sup>2</sup><sup>-</sup>.Calculate the final concentration of silver ion at equilibrium (K<sub>sp</sub> for Ag<sub>2</sub>CrO<sub>4</sub> is 9.0  \times 10<sup>-</sup><sup>12</sup>) . A)    <sup> </sup>M B)    <sup> </sup>M C)    M D)    M E)    M M
B)  Chromate ion is added to a saturated solution of Ag<sub>2</sub>CrO<sub>4</sub> to reach 0.78 M CrO<sub>4</sub><sup>2</sup><sup>-</sup>.Calculate the final concentration of silver ion at equilibrium (K<sub>sp</sub> for Ag<sub>2</sub>CrO<sub>4</sub> is 9.0  \times 10<sup>-</sup><sup>12</sup>) . A)    <sup> </sup>M B)    <sup> </sup>M C)    M D)    M E)    M M
C)  Chromate ion is added to a saturated solution of Ag<sub>2</sub>CrO<sub>4</sub> to reach 0.78 M CrO<sub>4</sub><sup>2</sup><sup>-</sup>.Calculate the final concentration of silver ion at equilibrium (K<sub>sp</sub> for Ag<sub>2</sub>CrO<sub>4</sub> is 9.0  \times 10<sup>-</sup><sup>12</sup>) . A)    <sup> </sup>M B)    <sup> </sup>M C)    M D)    M E)    M M
D)  Chromate ion is added to a saturated solution of Ag<sub>2</sub>CrO<sub>4</sub> to reach 0.78 M CrO<sub>4</sub><sup>2</sup><sup>-</sup>.Calculate the final concentration of silver ion at equilibrium (K<sub>sp</sub> for Ag<sub>2</sub>CrO<sub>4</sub> is 9.0  \times 10<sup>-</sup><sup>12</sup>) . A)    <sup> </sup>M B)    <sup> </sup>M C)    M D)    M E)    M M
E)  Chromate ion is added to a saturated solution of Ag<sub>2</sub>CrO<sub>4</sub> to reach 0.78 M CrO<sub>4</sub><sup>2</sup><sup>-</sup>.Calculate the final concentration of silver ion at equilibrium (K<sub>sp</sub> for Ag<sub>2</sub>CrO<sub>4</sub> is 9.0  \times 10<sup>-</sup><sup>12</sup>) . A)    <sup> </sup>M B)    <sup> </sup>M C)    M D)    M E)    M M

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How many moles of Ca(NO3) 2 must be added to 1.0 L of a 0.182 M KF solution to begin precipitation of CaF2? For CaF2,Ksp = 4.0 ×\times 10-11.


A)  How many moles of Ca(NO<sub>3</sub>) <sub>2</sub> must be added to 1.0 L of a 0.182 M KF solution to begin precipitation of CaF<sub>2</sub>? For CaF<sub>2</sub>,K<sub>sp</sub> = 4.0  \times 10<sup>-</sup><sup>11</sup>. A)    B)    C)    D)    E)
B)  How many moles of Ca(NO<sub>3</sub>) <sub>2</sub> must be added to 1.0 L of a 0.182 M KF solution to begin precipitation of CaF<sub>2</sub>? For CaF<sub>2</sub>,K<sub>sp</sub> = 4.0  \times 10<sup>-</sup><sup>11</sup>. A)    B)    C)    D)    E)
C)  How many moles of Ca(NO<sub>3</sub>) <sub>2</sub> must be added to 1.0 L of a 0.182 M KF solution to begin precipitation of CaF<sub>2</sub>? For CaF<sub>2</sub>,K<sub>sp</sub> = 4.0  \times 10<sup>-</sup><sup>11</sup>. A)    B)    C)    D)    E)
D)  How many moles of Ca(NO<sub>3</sub>) <sub>2</sub> must be added to 1.0 L of a 0.182 M KF solution to begin precipitation of CaF<sub>2</sub>? For CaF<sub>2</sub>,K<sub>sp</sub> = 4.0  \times 10<sup>-</sup><sup>11</sup>. A)    B)    C)    D)    E)
E)  How many moles of Ca(NO<sub>3</sub>) <sub>2</sub> must be added to 1.0 L of a 0.182 M KF solution to begin precipitation of CaF<sub>2</sub>? For CaF<sub>2</sub>,K<sub>sp</sub> = 4.0  \times 10<sup>-</sup><sup>11</sup>. A)    B)    C)    D)    E)

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The two salts AgX and AgY exhibit very similar solubilities in water.It is known that the salt AgX is much more soluble in acid than is AgY.What can be said about the relative strengths of the acids HX and HY?


A) Nothing.
B) HY is stronger than HX.
C) HX is stronger than HY.
D) The acids are weak acids and have equal values for Ka.
E) Both acids are strong.

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The solubility of Mg(OH) 2 (Ksp = 8.9 ×\times 10-12) in 1.0 L of a solution buffered (with large capacity) at pH 9.73 is:


A)  The solubility of Mg(OH) <sub>2</sub> (K<sub>sp</sub> = 8.9  \times  10<sup>-</sup><sup>12</sup>) in 1.0 L of a solution buffered (with large capacity) at pH 9.73 is: A)    moles B)    moles C)    moles D)    moles E) none of these moles
B)  The solubility of Mg(OH) <sub>2</sub> (K<sub>sp</sub> = 8.9  \times  10<sup>-</sup><sup>12</sup>) in 1.0 L of a solution buffered (with large capacity) at pH 9.73 is: A)    moles B)    moles C)    moles D)    moles E) none of these moles
C)  The solubility of Mg(OH) <sub>2</sub> (K<sub>sp</sub> = 8.9  \times  10<sup>-</sup><sup>12</sup>) in 1.0 L of a solution buffered (with large capacity) at pH 9.73 is: A)    moles B)    moles C)    moles D)    moles E) none of these moles
D)  The solubility of Mg(OH) <sub>2</sub> (K<sub>sp</sub> = 8.9  \times  10<sup>-</sup><sup>12</sup>) in 1.0 L of a solution buffered (with large capacity) at pH 9.73 is: A)    moles B)    moles C)    moles D)    moles E) none of these moles
E) none of these

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What is the concentration of the Cd2+(aq) ion in a 0.030 M Cd(NO3) 2 solution that is also 1.0 M NH3? At this temperature,Kf for Cd(NH3) 42+ = 1.0 ×\times 107.


A)  What is the concentration of the Cd<sup>2+</sup>(aq) ion in a 0.030 M Cd(NO<sub>3</sub>) <sub>2</sub> solution that is also 1.0 M NH<sub>3</sub>? At this temperature,K<sub>f</sub> for Cd(NH<sub>3</sub>) <sub>4</sub><sup>2+</sup> = 1.0  \times  10<sup>7</sup>. A)    M B)    M C)    M D)    M E) none of these M
B)  What is the concentration of the Cd<sup>2+</sup>(aq) ion in a 0.030 M Cd(NO<sub>3</sub>) <sub>2</sub> solution that is also 1.0 M NH<sub>3</sub>? At this temperature,K<sub>f</sub> for Cd(NH<sub>3</sub>) <sub>4</sub><sup>2+</sup> = 1.0  \times  10<sup>7</sup>. A)    M B)    M C)    M D)    M E) none of these M
C)  What is the concentration of the Cd<sup>2+</sup>(aq) ion in a 0.030 M Cd(NO<sub>3</sub>) <sub>2</sub> solution that is also 1.0 M NH<sub>3</sub>? At this temperature,K<sub>f</sub> for Cd(NH<sub>3</sub>) <sub>4</sub><sup>2+</sup> = 1.0  \times  10<sup>7</sup>. A)    M B)    M C)    M D)    M E) none of these M
D)  What is the concentration of the Cd<sup>2+</sup>(aq) ion in a 0.030 M Cd(NO<sub>3</sub>) <sub>2</sub> solution that is also 1.0 M NH<sub>3</sub>? At this temperature,K<sub>f</sub> for Cd(NH<sub>3</sub>) <sub>4</sub><sup>2+</sup> = 1.0  \times  10<sup>7</sup>. A)    M B)    M C)    M D)    M E) none of these M
E) none of these

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Calculate the concentration of chromate ion,CrO42-,in a saturated solution of CaCrO4 (Ksp = 7.08 ×\times 10-4) .


A)  Calculate the concentration of chromate ion,CrO<sub>4</sub><sup>2</sup><sup>-</sup>,in a saturated solution of CaCrO<sub>4</sub> (K<sub>sp</sub> = 7.08  \times 10<sup>-</sup><sup>4</sup>) . A)    <sup> </sup>M B)    <sup> </sup>M C)    <sup> </sup>M D)    <sup> </sup>M E)    <sup> </sup>M M
B)  Calculate the concentration of chromate ion,CrO<sub>4</sub><sup>2</sup><sup>-</sup>,in a saturated solution of CaCrO<sub>4</sub> (K<sub>sp</sub> = 7.08  \times 10<sup>-</sup><sup>4</sup>) . A)    <sup> </sup>M B)    <sup> </sup>M C)    <sup> </sup>M D)    <sup> </sup>M E)    <sup> </sup>M M
C)  Calculate the concentration of chromate ion,CrO<sub>4</sub><sup>2</sup><sup>-</sup>,in a saturated solution of CaCrO<sub>4</sub> (K<sub>sp</sub> = 7.08  \times 10<sup>-</sup><sup>4</sup>) . A)    <sup> </sup>M B)    <sup> </sup>M C)    <sup> </sup>M D)    <sup> </sup>M E)    <sup> </sup>M M
D)  Calculate the concentration of chromate ion,CrO<sub>4</sub><sup>2</sup><sup>-</sup>,in a saturated solution of CaCrO<sub>4</sub> (K<sub>sp</sub> = 7.08  \times 10<sup>-</sup><sup>4</sup>) . A)    <sup> </sup>M B)    <sup> </sup>M C)    <sup> </sup>M D)    <sup> </sup>M E)    <sup> </sup>M M
E)  Calculate the concentration of chromate ion,CrO<sub>4</sub><sup>2</sup><sup>-</sup>,in a saturated solution of CaCrO<sub>4</sub> (K<sub>sp</sub> = 7.08  \times 10<sup>-</sup><sup>4</sup>) . A)    <sup> </sup>M B)    <sup> </sup>M C)    <sup> </sup>M D)    <sup> </sup>M E)    <sup> </sup>M M

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The Ksp of Al(OH) 3 is 2 ×\times 10-32.At what pH will a 0.5 M Al3+ solution begin to show precipitation of Al(OH) 3?


A) 3.5
B) 10.5
C) 1.0
D) 6.0
E) 3.1

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The molar solubility of AgCl (Ksp = 1.6 ×\times 10-10) in 0.0035 M sodium chloride at 25°C is:


A) 0.0035
B)  The molar solubility of AgCl (K<sub>sp</sub> = 1.6  \times 10<sup>-</sup><sup>10</sup>) in 0.0035 M sodium chloride at 25°C is: A) 0.0035 B)    C)    D)    E) none of these
C)  The molar solubility of AgCl (K<sub>sp</sub> = 1.6  \times 10<sup>-</sup><sup>10</sup>) in 0.0035 M sodium chloride at 25°C is: A) 0.0035 B)    C)    D)    E) none of these
D)  The molar solubility of AgCl (K<sub>sp</sub> = 1.6  \times 10<sup>-</sup><sup>10</sup>) in 0.0035 M sodium chloride at 25°C is: A) 0.0035 B)    C)    D)    E) none of these
E) none of these

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The Ksp of AgI is 1.5 ×\times 10-16.Calculate the solubility in mol/L of AgI in a 0.30 M NaI solution.


A)  The K<sub>sp</sub> of AgI is 1.5  \times  10<sup>-</sup><sup>16</sup>.Calculate the solubility in mol/L of AgI in a 0.30 M NaI solution. A)    B) 0.30 C)    D)    E)
B) 0.30
C)  The K<sub>sp</sub> of AgI is 1.5  \times  10<sup>-</sup><sup>16</sup>.Calculate the solubility in mol/L of AgI in a 0.30 M NaI solution. A)    B) 0.30 C)    D)    E)
D)  The K<sub>sp</sub> of AgI is 1.5  \times  10<sup>-</sup><sup>16</sup>.Calculate the solubility in mol/L of AgI in a 0.30 M NaI solution. A)    B) 0.30 C)    D)    E)
E)  The K<sub>sp</sub> of AgI is 1.5  \times  10<sup>-</sup><sup>16</sup>.Calculate the solubility in mol/L of AgI in a 0.30 M NaI solution. A)    B) 0.30 C)    D)    E)

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The solubility of an unknown salt,MZ3, at 25°C is The solubility of an unknown salt,MZ<sub>3,</sub> at 25°C is   mol/L.What is the K<sub>sp</sub> for MZ<sub>3</sub> at 25°C? A)    B)    C)    D)    E) none of these mol/L.What is the Ksp for MZ3 at 25°C?


A) The solubility of an unknown salt,MZ<sub>3,</sub> at 25°C is   mol/L.What is the K<sub>sp</sub> for MZ<sub>3</sub> at 25°C? A)    B)    C)    D)    E) none of these
B) The solubility of an unknown salt,MZ<sub>3,</sub> at 25°C is   mol/L.What is the K<sub>sp</sub> for MZ<sub>3</sub> at 25°C? A)    B)    C)    D)    E) none of these
C) The solubility of an unknown salt,MZ<sub>3,</sub> at 25°C is   mol/L.What is the K<sub>sp</sub> for MZ<sub>3</sub> at 25°C? A)    B)    C)    D)    E) none of these
D) The solubility of an unknown salt,MZ<sub>3,</sub> at 25°C is   mol/L.What is the K<sub>sp</sub> for MZ<sub>3</sub> at 25°C? A)    B)    C)    D)    E) none of these
E) none of these

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What is the limiting reagent in the formation of the lead chloride?


A) Pb2+
B) Cl-
C) (NO3) -
D) PbCl2
E) Pb(NO3) 2

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Which of the following salts shows the lowest solubility in water? (Ksp values: Ag2S = 1.6 ×\times 10-49;Bi2S3 = 1.0 ×\times 10-72;HgS = 1.6 ×\times 10-54;Mg(OH) 2 = 8.9 ×\times 10-12;MnS = 2.3 ×\times 10-13)


A) Bi2S3
B) Ag2S
C) MnS
D) HgS
E) Mg(OH) 2

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Silver chromate,Ag2CrO4,has a Ksp of 8.96 ×\times 10-12.Calculate the solubility in mol/L of silver chromate.


A)  Silver chromate,Ag<sub>2</sub>CrO<sub>4</sub>,has a K<sub>sp</sub> of 8.96  \times 10<sup>-</sup><sup>12</sup>.Calculate the solubility in mol/L of silver chromate. A)    <sup> </sup>M B)    M C)    M D)    M E)    M M
B)  Silver chromate,Ag<sub>2</sub>CrO<sub>4</sub>,has a K<sub>sp</sub> of 8.96  \times 10<sup>-</sup><sup>12</sup>.Calculate the solubility in mol/L of silver chromate. A)    <sup> </sup>M B)    M C)    M D)    M E)    M M
C)  Silver chromate,Ag<sub>2</sub>CrO<sub>4</sub>,has a K<sub>sp</sub> of 8.96  \times 10<sup>-</sup><sup>12</sup>.Calculate the solubility in mol/L of silver chromate. A)    <sup> </sup>M B)    M C)    M D)    M E)    M M
D)  Silver chromate,Ag<sub>2</sub>CrO<sub>4</sub>,has a K<sub>sp</sub> of 8.96  \times 10<sup>-</sup><sup>12</sup>.Calculate the solubility in mol/L of silver chromate. A)    <sup> </sup>M B)    M C)    M D)    M E)    M M
E)  Silver chromate,Ag<sub>2</sub>CrO<sub>4</sub>,has a K<sub>sp</sub> of 8.96  \times 10<sup>-</sup><sup>12</sup>.Calculate the solubility in mol/L of silver chromate. A)    <sup> </sup>M B)    M C)    M D)    M E)    M M

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