The Molarity (M) of an aqueous solution containing 5.85 g of NaCl in 500 mL water is i. (Given : Molar Mass $\mathrm{Na}: 23$ and $\mathrm{Cl}: 35.5 \mathrm{gmol}^{-1}$ )|
Select the correct option:
A
20
B
0.2
C
2
D
4
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
$M=\frac{n_{\mathrm{NaCl}}}{V_{\mathrm{sal}}(\text { in } L)}$
$\mathrm{M}=\frac{5.85}{\frac{58.5}{0.5}}=0.2 \mathrm{M}$
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