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The values of \( K_{s p} \) of \( \mathrm{CaCO}_{3} \) and \( \math...
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The values of \( K_{s p} \) of \( \mathrm{CaCO}_{3} \) and \( \mathrm{CaC}_{2} \mathrm{O}_{4} \) are \( 4.7 \times 10^{-9} \) and \( 1.3 \times 10^{-9} \) respectively at \( 25^{\circ} \mathrm{C} \). If the mixture of these two is washed with water, what is the concentration of \( \mathrm{Ca}^{2+} \) ions in water?
(a) \( 5.831 \times 10^{-5} \mathrm{M} \)
(b) \( 6.856 \times 10^{-5} \mathrm{M} \)
(c) \( 3.606 \times 10^{-5} \mathrm{M} \)
(d) \( 7.746 \times 10^{-5} \mathrm{M} \)
(a) \( 5.831 \times 10^{-5} \mathrm{M} \)
(b) \( 6.856 \times 10^{-5} \mathrm{M} \)
(c) \( 3.606 \times 10^{-5} \mathrm{M} \)
(d) \( 7.746 \times 10^{-5} \mathrm{M} \)
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