Question

1) Calculate the volume state of 5% solution of hydrogen peroxide​

Answer 1

Explanation:

2H 2+ O 2(l)→2H2 O(l)+O 2 (g)5 volume H

2 O 2

means , 1 L of H O 2

will give 5L of O 2

at STP.

On the basis of equation it is clear that 22.4 L of O 2

is produced by 68 g of 2H2O

5L of O2

is produced by =

22.7 L68 g×5 L = 224

3400 g H2O 2=15.18 g H2 O 2

i.e. 15.18 g H2O2

dissolved in 1 L solution will give 5 L oxygen or 15.18 g H 2O2

/1000 mL solution. Thus 15.18 g/L or 1.518% solution is known as 5V solution of H2 O2

.