Question

2 moles of potassium reacts with cold water...

Answer 1

Explanation:

2 moles of quotations reaction gives 1 mole of hydrogen (22.4 at STP)

2 moles of K - 22.4 litres of H

2

2 moles of K = 3×22.4

=33.6 litres of H

so, 33.6 litres of hydrogen are produced