Calculate the Concentration of Chromate Ion, CrO₄^2-, in a Saturated

question 177

Multiple Choice

Calculate the concentration of chromate ion, CrO₄^2-, in a saturated solution of CaCrO₄ (K_sp = 7.1 × 10^-4) .

• A) 5.0 × 10^-7 M
• B) 3.5 × 10^-2 M
• C) 0.027 M
• D) 3.5 × 10^-4 M
• E) 7.1 × 10^-4 M

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