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A student measures the CO32- concentration in a saturated aqueous solution of ni

ID: 513488 • Letter: A

Question



A student measures the CO32- concentration in a saturated aqueous solution of nickel(II) carbonate to be 7.88×10-5 M. Based on her data, the solubility product constant for nickel(II) carbonate is .

A student measures the CO32- concentration in a saturated aqueous solution of nickel(II) carbonate to be 7.88×10-5 M. Based on her data, the solubility product constant for nickel(II) carbonate is .

A student measures the CO32- concentration in a saturated aqueous solution of nickel(II) carbonate to be 7.88×10-5 M. Based on her data, the solubility product constant for nickel(II) carbonate is .

Explanation / Answer

NiCO3 ===> Ni+2 + CO3-2

s s and s = 7.88x10-5 Given

Ksp = [Ni+2][CO3-2] = s2 = (7.88x10-5)2 = 6.21x10-9

This is your required solubility product.