Question

in 2 C6H5COOH + 15 O2 → 14 CO2 + 6 H2O how much water is produced when 0.1 mol C6H5COOH react in excess oxygen?

Answer 1

$2C_6H_5COOH + 15O_2 → 14CO_2 + 6H_2O$

According to the equation above, 2 moles of benzoic acid produces 6 moles of water

0.1 moles of benzoic acid produces x mol of water

x = 0.1×6 / 2 = 0.3 mol

Therefore 0.3 moles of water is produced in the reaction.