Question

1. The mole concept helps in handling a large number of atoms and molecules in stoichiometric calculations.
(a) Define 1 mol.
(b) What is the number of hydrogen atoms in 1 mole of methane (CH4)?
(c) Calculate the amount of carbon dioxide formed by the complete combustion of 80 g of methane as per the reaction;
CH4+ 2O2 → CO2 + 2H20
(Atomic masses: C = 12.01 u, H = 1.008u, 0 = 16 u).​

Answer 1

Explanation:

ans for ( c ) is 1100g

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ans for b is

1 mole of methane has 4 moles of hydrogen

so number of atoms= 4 x 6.022× 10 raise to 23