Question

Marque a alternativa correta: A massa molecular (MM) do CO2 é:

2 pontos

a) 30 g/moL

b) 40 g/moL

c) 44 g/moL

d) 26 g/moL​

Answer 1

C = 12u

O = 16u

C = 1 x 12 = 12

O = 2 x 16 = 32

32 + 12 = 44g/mol

Letra C