Question

How to balance an ionic eqn, For eg: Al+2Hplus gives Al^3plus+ H2. Plz helps guys!!!

Answer 1

1) balance eqn normally

Al+ 2H*2 -AL*3+ H2

2)Now balance charge

Al+(3)(2H*2)- (2)Al*3+H2

3Now again balance it normally

2Al+ 6H*2- 2Al*3+ 3H2