Question

ce cantitate de acid sulfuric contine 6.4 g sulf a)20 moli b)0,2 moli c) 2 moli

Answer 1

c)20 moli

........,....

Answer 2

Răspuns:

0.2 moli

Explicație:

1 mol acid sulfuric contine 32 g sulf. 6.4/32=20% >> 0.2 moli