The values of Ksp of CaCO₃ and CaC₂O₄ are 4.7 × 10⁻⁹ and 1.3 × 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?
A
5.831 × 10⁻⁵ M
B
6.856 × 10⁻⁵ M
C
3.606 × 10⁻⁵ M
D
7.746 × 10⁻⁵ M

Question

The values of Ksp of CaCO₃ and CaC₂O₄ are 4.7 × 10⁻⁹ and 1.3 × 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?

A

5.831 × 10⁻⁵ M

B

6.856 × 10⁻⁵ M

C

3.606 × 10⁻⁵ M

D

7.746 × 10⁻⁵ M

Accepted Answer

3.606 × 10⁻⁵ M

Answer

5.831 × 10⁻⁵ M

Answer

6.856 × 10⁻⁵ M

Answer

7.746 × 10⁻⁵ M

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