Question

How many moles of O2 are produced by burning 20 gm H2, 80 gm O2
(Pls sent pic of answer) ​

Answer 1

Answer:

5

Explanation:

5 moles

Water decomposition can be represented as:

2H  

2

​

O→2H  

2

​

+O  

2

​

 

2 moles (or 2×18=36 g) of water gives one mole of oxygen.

180 g water will produce  

36

180

​

 mol of oxygen==5 mol of oxygen