1.

Hydrogen and oxygen are combined in the ratio 1:16 by mass in hydrogen peroxide. Calcualte the percentage of hydrogen and oxygen in hydrogen peroxide.

Answer»

SOLUTION :17 parts of HYDROGEN peroxide CONTAIN hydrogen =1 part
100 parts of hydrogen peroxide contain hydrogen.
`=(1)/(17)xx100=5.88`
% of OXYGEN =(100-5.88)=94.12


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