Multiple Choice
Hydrogen peroxide (H2O2) decomposes catalytically in the presence of metal ions and enzymes called peroxidases.If a 250 mL bottle of hydrogen peroxide solution containing 3.0% H 2O2 (by mass) decomposes completely, how many liters of oxygen gas will it generate? Assume that 1 mol of gas occupies a volume of 22.4 L and that the density of the solution is 1.0 g/mL.The reaction is
2H2 O2 (aq) 2H2 O(l) +O2 (g)
A) 2.5 L
B) 4.9 L
C) 9.9 L
D) 7.4 L
E) 0.22 L
Correct Answer:

Verified
Correct Answer:
Verified
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