The molar mass of MnS is approximately 87 g/mol. So, the molarity (M) can be calculated as follows:
\[ M = \frac{4.7 \times 10^{-4} \, \text{g}}{87 \, \text{g/mol}} \times \frac{1000 \, \text{mL}}{100 \, \text{mL}} = 5.4 \times 10^{-5} \, \text{M} \]
Show more…