Question

can anyone plz explain this?​

Answer 1

2H2+O2---> 2H2O

Resultant composition is 60cm^3

O2--> 2H2O

120cm^3--> 2H2O

H2O--->60 cm^3

Total O2 is 120 cm^3 and in the reaction we need only 60cm^3 in our reaction and 60 cm^3 will be left out

Answer 2

Answer:

please follow

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