Could’ve reacted with water as alkali metals are very reactive to water.
Answer:
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Explanation:
Answer:

Explanation:
Hello there!
In this case, according to the solubility equilibrium of calcium hydroxide:

Whereas the equilibrium expression is:
![Ksp=[Ca^{2+}][OH^-]^2](https://tex.z-dn.net/?f=Ksp%3D%5BCa%5E%7B2%2B%7D%5D%5BOH%5E-%5D%5E2)
It is firstly necessary to calculate the molar solubility given the grams and volume of the dissolved solute:

Now, according to the Ksp expression, we plug in s as the solubility to obtain:

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