Question

Calculate the mass of H2O produced when 100g CH4 undergoes combustion with O2

Answer 1

Answer:

225g

Explanation:

C$H_4}$ + $O_{2}$ ⇒ 2 $H_{2} O$ + $CO_{2}$

mol  of C$H_4}$= 100g/16 =  6.25mol

H2O mol = 12.5 mol

mass of H2O = 12.5mol * 18gmol-1

=225g