The values of Ksp of CaCO3 and CaC2O4 are
4.7 * 10-9 and 1.3 x 10-9 respectively at 25°C. If
the mixture of these two is washed with water,
what is the concentration of Ca2+ ions in water?
(1) 7.746 x 10-5 M
(2) 5.831 x 10-5 M
(3) 6.856 x 10-5 M
(4) 3.606 x 10-5 M
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The values of Ksp of CaCO3 and CaC2O4 are 4.7 x 10^-9 and 1.3 x 10^-9 respectively at 25°C. The values of Ksp of CaCO3 and CaC2O4 are 4.7 x 10-9 and 1.3 x 10-9 respectively at 25°C. If the mixture of these two is washed with water, what is the concentration of Ca2+ ions in water?
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