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skelet666 [1.2K]
2 years ago
6

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

Geography
1 answer:
uysha [10]2 years ago
8 0

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

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