What is the volume of ’20 volume H₂O₂. required to get 5000 cm³ of oxygen at STP?

What is the volume of ’20 volume H₂O₂. required to get 5000 cm³ of oxygen at STP?

Options

(a) 250 cm³
(b) 50 cm³
(c) 100 cm³
(d) 125 cm³

Correct Answer:

250 cm³

Explanation:

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