1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
answer is 2.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
∵ 22.4 litres O2 at N.T.P. obtained by 68 g of H2O2∵ 1 litre O2 at N.T.P. obtained by 6822.4 g of H2O2∴ 20 litre O2 at N.T.P. obtained by 6822.4× 20 g of H2O2 = 60.71 g of H2O2∴ 1000 ml O2 at N.T.P. obtained by 60.71 g of H2O2 = 60.71 g of H2O2∴ 100 ml O2 at N.T.P. obtained by =60.711000× 100 = 6.71%