Question

determine moles in 2.2gm of co2​

Answer 1

CO² -> 12 + 16 = 28 gms

28gms = 1 mole

1 gm = 1/28 mole

2.2 gms = 1/28 × 2.2 = 0.07 moles (approx.)

Answer 2

Answer:

No. of moles=Given mass/Molar Mass

=2.2g /44g/mol

=0.05moles