Question #28721

1 Answer

One mole of "K"_2"S" = 110.27g, so 3.3 moles "K"_2"S"=363.89 g

Explanation:

First find the molar mass of "K"_2"S":
"K"_2 x 39.10 = 78.20
"S"_1 x 32.07= 32.07

78.20 + 32.07 = 110.27g

3.3 moles "K"_2"S" x 110.27g/mol = 363.89g