If ten volumes of dihydrogen gas reacts with five volumes of dioxygen

1.	If ten volumes of dihydrogen gas reacts with five volumes of dioxygen gas, howmany volumes of water vapour would be produced?
Answer» Look first of all just write the equation : 2 H 2 + O 2 -----------------------------> 2 H 2 O2 vol 1 vol 2 vol10 vol 5 vol -------------------------------> 10 vol hence 10 volume of water vapour will get produced.....i hope you get the answer. but how

If ten volumes of dihydrogen gas reacts with five volumes of dioxygen gas, howmany volumes of water vapour would be produced?

Answer»

Look first of all just write the equation :

2 H 2 + O 2 -----------------------------> 2 H 2 O2 vol 1 vol 2 vol10 vol 5 vol -------------------------------> 10 vol

hence 10 volume of water vapour will get produced.....i hope you get the answer.

but how