Oxygen gas can be produced in the laboratory by decomposition of hydrogen peroxide 2H2O2(aq) gives 2 H2O(l) +O2(g) How many kg of O2(g) can be produced from 1.0 kg of hydrogen peroxide?
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Answer:
0.470kg
Explanation:
No of moles in 1kg of H2O2 = 1000/34
Also 2 mol of H2O2 produce 1 mol of O2 gas
so 2/1 = 1000/34x( x =no of moles of O2 gas)
x = 14.70 moles
No of moles = Mass / Molar mass
Mass = 32 * 14.70
= 470.40 grams
= 0.470 kg
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