hii guys... please help
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2H2O2 - 2H20 + 02
0.96 g H2O2
Moles of H2O2 - 0.96/34 = 0.028
As,2 moles liberate 1 mole 02
So 0.028 moles liberate 0.028/2 = 0.014
As at STP
1 mole = 22.4 L = 22400 ml
So 0.014 mole - 22400× 0.014 = 316.2 ml
So its (2) option
0.96 g H2O2
Moles of H2O2 - 0.96/34 = 0.028
As,2 moles liberate 1 mole 02
So 0.028 moles liberate 0.028/2 = 0.014
As at STP
1 mole = 22.4 L = 22400 ml
So 0.014 mole - 22400× 0.014 = 316.2 ml
So its (2) option
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