Question

Q.3. Calculate % by mass of H2O2 solution which is 11.3 volume.​

Answer 1

We know,

Volume strength =11.2× molarity =11.2

⇒ molarity =1M

⇒ strength =34g/L

⇒%w/w=

1000

34

×100=3.4%

Correct option: (B) 3.4%