# Find the Mass Percentages NaCl

To find the mass of mole of look up the atomic mass of each element and multiply it by the number of atoms contained in each element in the molecule.

mass of mole of +

Fill in the atomic masses from the periodic table.

mass of mole of +

Remove parentheses.

mass of mole of

Add and .

mass of mole of

mass of mole of

The mass composition percentage is the mass of divided by the mass of the entire molecule converted to a percentage.

Mass percentage of

Cancel the common factor of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Divide by .

Set the number as a percent.

Mass percentage of

Mass percentage of

The mass composition percentage is the mass of divided by the mass of the entire molecule converted to a percentage.

Mass percentage of

Cancel the common factor of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Divide by .

Set the number as a percent.

Mass percentage of

Mass percentage of

Find the mass percentage of each element in the molecule.

Mass percentage of

Mass percentage of

Do you need help with solving Find the Mass Percentages NaCl? We can help you. You can write to our math experts in our application. The best solution for you is above on this page.