MCQ
${K_{sp}}$ for sodium chloride is $36\,\,mo{l^2}/litr{e^2}.$ The solubility of sodium chloride is
- A$\frac{1}{{36}}$
- B$\frac{1}{6}$
- ✓$6$
- D$3600$
✓
Answer
Correct option: C.
$6$
(c) $NaCl ⇌ \begin{array}{*{20}{c}}{N{a^ + }\,}& + &{\,C{l^ - }}\\{S\,\,\,\,\,}&{}&{\,S\,\,\,\,}\end{array}$
${K_{sp}} = {S^2}$, $S = \sqrt {{K_{sp}}} = \sqrt {36} = 6$.
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