Question #ea2ce

1 Answer
Mar 30, 2017

Answer:

D => 0.055 moles

Explanation:

The molecular weight of #O_2# can be calculated by adding up the masses in the compound.

#2* 16.00 u # (mass O-atom) =32.00 g/mol

Now to get the number of moles out of the mass given, you only have to divide the grams by the molecular weight!

#1.75/32.00# =0,0546875 moles

This is answer D!