Question

What is the percent composition of hydrogen in a compound if the mass of the initial compound is 276 grams and the mass of collected hydrogen after decomposition is 41.4 grams?

Answer 1

Answer : The percent composition of hydrogen in a compound is, 15%

Solution : Given,

The mass of compound = 276 grams

The mass of collected hydrogen after decomposition = 41.4 grams

Formula used :

`\%\text{ composition of hydrogen}=\frac{\text{Mass of hydrogen}}{\text{Mass of compound}}* 100`

Now put all the given values in this formula, we get the percent composition of hydrogen.

`\%\text{ composition of hydrogen}=(41.4g)/(276g)* 100=15\%`

Therefore, the percent composition of hydrogen in a compound is, 15%