Question

Qual a massa molecular do H2SO3? Dados: H=1,0 g/mol, S=32,06 g/mol, O=16,0 g/mol.
83 gramas
82 gramas
80 gramas
50 gramas

Answer 1

Resposta:

82g

Explicação:

H2 = 1 x 2 = 2g

S = 32g

O3 = 16 x 3 = 48g

2 + 32 + 48 = 82g