Respuesta :

xxamari

Answer:

B

Explanation:

Think about the molar masses of each.

O2 -> 32 g

So 32 g = 1 mol.

Pb -> 207.2 g

So 103.6 g = .5 mol!

H2O -> 18 g

So 36 g = 2 mol.

CO2 -> 44 g

So 14 g = .3 mol