Question

A mass of 150.0 grams of carbon dioxide is equivalent to how many moles?

Answer 1

=75/22 hope this helps my brother gave me the answer

Answer 2

Gram weight of CO2
= 12 + 2(16)
= 12 + 32
= 44

44 g = 1 mole

150 g = 150/44 = 75/22