Answer:
35.904g
Explanation:
[tex]concentration = \frac{mole}{volume} \\ 0.200 = \frac{n}{3.20} \\ n = 0.640mol \\ n \frac{mass}{molar \: mass} \\ mass = n \times molar \: mass \\ molar \: mass = 56.1gmol {}^{ - 1} \\ mass = 56.1 \times 0.640 \\ mass = 35.904g[/tex]
