1.

How much hydrogen will be obtained from a mixture containing 8 grams of LiH and 21 grams of CaH_2

Answer»


SOLUTION :`8 gm to 2gm`
`CaH_2 + 2H_2O to Ca(OH)_2 + 2H_2`
`42 gm to 4 gm`
`21 g m to 2 gm`


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