Question

Volume of oxygen liberated for 13.18%w/v of hydrogen peroxide with 20liters

Answer 1

Answer:

Strength of the solution =34 g/L.

1 L (or 1000 mL) of the solution contains 34 g of H

2

O

2

200 mL of the solution contains

1000

34

×200=6.8 g of H

2

O

2

2H

2

O

2

→2H

2

O+O

2

2 moles of H

2

O

2

gives 1 mole of O

2

68g of H

2

O

2

gives 32 g of O

2

6.8g of H

2

O

2

gives

68

32

×6.8=3.2 g of O

2

Step-by-step Explanation:

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