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The decomposition of hydrogen peroxide is represented by the equation: 2H2O(l) + O2(g) what mass...

Chemistry
WAEC 1990
The decomposition of hydrogen peroxide is represented by the equation: 2H2O(l) + O2(g) what mass of hydrogen peroxide would be required to produce 22.4dm3 of oxygen at s.t.p? (H = 1, O = 16, molar volume of a gas at s.t.p. = 22.4dm3)
  • A. 18 g
  • B. 34 g
  • C. 36 g
  • D. 64 g
  • E. 68 g
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Correct Answer: Option E
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