What is the percent composition of hydrogen in beryllium hydride?

Beryllium hydride (BeH2) is a compound composed of beryllium and hydrogen. If 69.6g of beryllium reacts with 15.6g of hydrogen to produce 85.2g of BeH2, we can calculate the percent composition of hydrogen in the compound.

Calculation:

From the law of conservation of mass,

Total mass of beryllium hydride (BeH2) = 85.2g

Mass of hydrogen = 15.6g

The percent composition of hydrogen can be calculated using the formula:

Percent composition of hydrogen = (mass of hydrogen / total mass of BeH2) * 100%

Percent composition of hydrogen = (15.6g / 85.2g) * 100%

Percent composition of hydrogen = 18.3%

What is percent composition?

The term percent composition refers to the percentage of a particular component in a compound. It is calculated as the ratio of the mass of that component to the total mass of the compound, multiplied by 100.

What is the percent composition of hydrogen in beryllium hydride? The percent composition of hydrogen in beryllium hydride is 18.3%.
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