Question

what volume of h2 at STP would be liberated when 8g of Ca completely reacts with water

Answer 1

Explanation:

4480 cm

4480 cmThe volume of hydrogen measured at STP that would be liberated when 8g calcium completely reacts with water is.

Answer 2

Answer:

1 mol of calcium liberate 1mol of H2 ,therefore it 40g of calcium gives 22400cm3 at stp ,therefore 8g of calcium gives 4480cm3 at stp