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  4. Hydrogen and oxygen combine to form H 2 O 2 and H 2 O containing 5.93 % and 11.2 % hydrogen respectively, the data illustrates:

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Q. Hydrogen and oxygen combine to form $H _{2} O _{2}$ and $H _{2} O$ containing $5.93 \%$ and $11.2 \%$ hydrogen respectively, the data illustrates:

Some Basic Concepts of Chemistry

Solution:

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Ratio of different masses of $O$ which combines with fixed mass of $H$ is 94.07: 47.0 or 2: 1