Calculate the mass of water formed when 4g of methane is burnt in excess oxygen

Question

asked Dec 10, 2022 231k views

1 Answer

Jengar · Answer 1 · 2022-12-13T22:45:11+0000

CH4 + 02 → H20 + CO2

balance equation

CH4 + 2O2 → 2H2O + CO2

4 ÷ ( 12 + 4 ) = 0.25 mol

1 : 2

no mole of H2O = 0.25 × 2 = 0.5 mol

mass of H2O = 0.5 × ( 2 + 16 ) = 9g