What is the value of q when the solution contains 2.0010-2 m ca2 + and 3.0010-2m cro42-? express your answer numerically?

Question

Chemistry

Taniyah Frey

6 December, 10:37

What is the value of q when the solution contains 2.0010-2 m ca2 + and 3.0010-2m cro42-? express your answer numerically?

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Answers (1)

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Savage · Answer 1

Answer is: value of Q is 6·10⁻⁴.

Chemical reaction: CaCrO₄ (s) → Ca²⁺ (aq) + CrO₄²⁻ (aq).

[Ca²⁺] = 0,02 M.

[CrO₄²⁻] = 0,03 M.

Q = [Ca²⁺] · [CrO₄²⁻].

Q = 0,02 M · 0,03 M.

Q = 0,0006 M².

Q is the solubility product when the system is not at equilibrium.

What is the value of q when the solution contains 2.00*10-2 m ca2 + and 3.00*10-2m cro42-? express your answer numerically?

What is the value of q when the solution contains 2.0010-2 m ca2 + and 3.0010-2m cro42-? express your answer numerically?