Find the Mass Percentages Ni_2O_2

$N i_{2} O_{2}$

Step 1

To find the mass of $1$ mole of $N i_{2} O_{2}$ look up the atomic mass of each element and multiply it by the number of atoms contained in each element in the molecule.

Step 2

Fill in the atomic masses from the periodic table.

Step 3

Simplify the result.

Simplify each term.

Multiply $2$ by $58.68999862$ .

mass of $1$ mole of $N i_{2} O_{2} = 117.37999725 + 2 (16) g$

Multiply $2$ by $16$ .

mass of $1$ mole of $N i_{2} O_{2} = 117.37999725 + 32 g$

Add $117.37999725$ and $32$ .

mass of $1$ mole of $N i_{2} O_{2} = 149.37999725 g$

Step 4

Find the mass percentage of $N i$ .

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

Mass percentage of $N i = \frac{117.38}{149.37999725} \cdot 100$

Divide $117.38$ by $149.37999725$ .

$0.78578124 \cdot 100$

Multiply $0.78578124$ by $100$ .

$78.57812435$

Set the number as a percent.

Mass percentage of $N i = 78.57812435 %$

Step 5

Find the mass percentage of $O$ .

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

Mass percentage of $O = \frac{32}{149.37999725} \cdot 100$

Divide $32$ by $149.37999725$ .

$0.21421877 \cdot 100$

Multiply $0.21421877$ by $100$ .

$21.42187748$

Set the number as a percent.

Mass percentage of $O = 21.42187748 %$

Step 6

Find the mass percentage of each element in the molecule.

Mass percentage of $N i = 78.57812435 %$

Mass percentage of $O = 21.42187748 %$

Find the Mass Percentages Ni_2O_2

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