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How many grams of hydrolith must be completely hydrolysed to obtain 22.4 litres of H 2 at STP?

How many grams of hydrolith must be completely hydrolysed to obtain 22.4 litres of H2 at STP?

Grade:12

1 Answers

Harishwar IIT Roorkee
askIITians Faculty 50 Points
9 years ago
hydrolith - a saltlike binary compound (CaH2) used as a reducing agent and source of hydrogen.It forms Calcium Hydroxide and Hydrogen on Hydrolysis. 1 mole of CaH2 + 2 moles of water = 1 mole calcium Hydroxide + 2H2. 22.4 litres of H2at STP means 1 mole of H2. is present. i.e 0.5 mole of hydrolith is hydrolysed i.e 42/2 = 21 g is hydrolysed

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