1.92g sample of hydrogen peroxide solution generates 37.8mL O2 at 759 torr and 35 C. What is the percent strength of the peroxide solution?

how would you solve this problem and which equations would you use?

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  1. Write the equation.
    Use PV = nRT and solve for n, the number of mols O2. Convert mols O2 to grams O2, then %O2 = (g O2/g solution)*100 = ??
    check my thinking.

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