amirahkhalid7 amirahkhalid7

25-12-2020
Chemistry

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decomposition of hydrogen peroxide produce water and oxygen . calculate the volume of O2 formed from the decomposition of 150 mL of 0.02M hydrogen peroxide at stp

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ChoiSungHyun ChoiSungHyun

25-12-2020

Explanation:

2H2O2 => 2H2O + O2

Moles of hydrogen peroxide = 0.150dm³ * (0.02mol/dm³) = 0.003mol .

Moles of oxygen = 0.0015mol.

Volume of oxygen = 0.0015mol * (22.4dm³/mol) = 0.0336dm³.

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