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)

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)

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

waec 1990 chemistry

The correct answer is E. 68 g

No explanation given

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