Question

How many molecules of hydrogen peroxide are there in 68g of H2O2?​

Answer 1

Answer:

6.8% (w/v)=

100mlofwater

6.8gofH

2

O

2

×100

∴ In 2 litres, 6.8×2×10g of H

2

O

2

will be present.

∴ Mass of H

2

O

2

=6.8×2×10=136g

∴ Moles of H

2

O

2

=

34

136

=4 moles

Answer 2

Answer:

2.4•10^24 atoms

Explanation: