Question

10 mols de CaSO4 corresponde, em grama, a: 

1360
1600
1400
1260
​

Answer 1

Ca = 40 g/mol

S = 32 g/mol

O = 16 g/mol

40 + 32 + 16 × 4 = 136 g/mol

136 x 10 = 1360 gramas