Question

calculate the molecular mass of carbon dioxide and methane and ammonia

Answer 1

carbon dioxide is 44u
methane is 16u
ammonia is 17u

Answer 2

1). CO2 = 12+16×2
= 44 g/mile
2). CH4 = 12 + 1×4
=16 g/mole
3). NH3 = 14+ 1×3
= 17g/mole