Question

Calcule a massa molecular da
lactose C12H22011: *
H = 1 g/mol
C = 12g/mol
O = 16g/mol
0342g/mol
045g/mol
0252g/mol
96g/mol​

Answer 1

Resposta:A)342g/mol

Explicação:

C12H22011--->12.12+1.22+16.11--->144+22+176--->342 g/mol