The K_sp of Ca(OH)₂ Is 5 $\times$ 10^-5 at 25 ^$\circ$

question 4

Multiple Choice

The K_sp of Ca(OH) ₂ is 5.5 $\times$ 10^-5 at 25 ^$\circ$ C.What is the concentration of OH^-(aq) in a saturated solution of Ca(OH) ₂(aq) ?

• A) 1.9 \(\times\) 10^-3 M
• B) 7.4 \(\times\) 10^-3 M
• C) 2.4 \(\times\) 10^-2 M
• D) 4.0 \(\times\) 10^-2 M
• E) 4.8 \(\times\) 10^-2 M

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