Question

What is the number of moles of CO2 in a 50.-gram sample of CO2?
1.
50 mol
2.
0.88 mol
3.
1.14 mol
4.
2,200 mol

Answer 1

answer:

no. 3

Explanation:

mass ÷ molar mass

50 ÷ ( 12+(16×2))

50 ÷ (12+32)

50÷44

=1.14