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wariber [46]
3 years ago
11

Silver chromate, Ag.CrO, has a Kp of 9.00x 1012 Calculate the solubility in mol/L of silver chromate a) 1.31 x 10M d) 2.08 x 10

M c) 2.25 x 10-12M b) 1.65 x 10" M e) 1.50 x 106*M lsa for evothermic reactions and a value for
Chemistry
1 answer:
DerKrebs [107]3 years ago
5 0

Answer:  1.31\times 10^4moles/L

Explanation:

Solubility product is defined as the equilibrium constant in which a solid ionic compound is dissolved to produce its ions in solution. It is represented as K_{sp}

The equation for the ionization of the silver chromate is given as:

Ag_2CrO_4\leftrightharpoons 2Ag^++CrO_4^{2-}

We are given:

Solubility of Ag_2CrO_4 = S mol/L

By stoichiometry of the reaction:

1 mole of Ag_2CrO_4 gives 2 moles of Ag^{+} and 1 mole of CrO_4^{2-}.

When the solubility of Ag_2CrO_4 is S moles/liter, then the solubility of Ag^{+} will be 2S moles\liter and solubility of CrO_4^{2-} will be S moles/liter.

Expression for the equilibrium constant of Ag_2CrO_4 will be:

K_{sp}=[Ag^+]^2[CrO_4^{2-}]

9.00\times 10^{12}=[2s]^2[s]=4s^3

s=1.31\times 10^4M

Hence, the solubility of  Ag_2CrO_4 is 1.31\times 10^4moles/L

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