Hydrogen peroxide solutions sold in drug stores contain 3.0%of H2O2 Hydrogen per

Question

Hydrogen peroxide solutions sold in drug stores contain 3.0%of H2O2 Hydrogen peroxide decomposes into water and oxygengas. according to the balenced chemical equation 2H2O2(aq)= 2H2O(l) + O2(G)   What aproximate mass of hydrogen peroxide solution is neededto produce 1gram of oxygen gas? Hydrogen peroxide solutions sold in drug stores contain 3.0%of H2O2 Hydrogen peroxide decomposes into water and oxygengas. according to the balenced chemical equation 2H2O2(aq)= 2H2O(l) + O2(G)   What aproximate mass of hydrogen peroxide solution is neededto produce 1gram of oxygen gas?

Explanation / Answer

2 H2O2 --> 2 H2O +O2 1.0 g O2 x mol O2 x 2 molH2O2 x 34 gH2O2 = 2.125 gH2O2                   32 g       1 molO2        molH2O2

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