Chemistry Examples

$B C_{6} P_{4}$

Step 1

Step 2

Fill in the atomic masses from the periodic table.

Step 3

Simplify the result.

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Step 3.1

Simplify each term.

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Step 3.1.1

Multiply $6$ by $12.01000022$ .

Step 3.1.2

Multiply $4$ by $30.96999931$ .

Step 3.2

Simplify by adding numbers.

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Step 3.2.1

Add $10.81000041$ and $72.06000137$ .

Step 3.2.2

Add $82.87000179$ and $123.87999725$ .

Step 4

Find the mass percentage of $B$ .

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Step 4.1

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

Mass percentage of $B = \frac{10.81}{206.74999904} \cdot 100$

Step 4.2

Divide $10.81$ by $206.74999904$ .

$0.05228536 \cdot 100$

Step 4.3

Multiply $0.05228536$ by $100$ .

$5.2285369$

Step 4.4

Set the number as a percent.

Mass percentage of $B = 5.2285369 %$

Step 5

Find the mass percentage of $C$ .

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Step 5.1

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

Mass percentage of $C = \frac{72.06}{206.74999904} \cdot 100$

Step 5.2

Divide $72.06$ by $206.74999904$ .

$0.34853688 \cdot 100$

Step 5.3

Multiply $0.34853688$ by $100$ .

$34.85368818$

Step 5.4

Set the number as a percent.

Mass percentage of $C = 34.85368818 %$

Step 6

Find the mass percentage of $P$ .

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Step 6.1

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

Mass percentage of $P = \frac{123.88}{206.74999904} \cdot 100$

Step 6.2

Divide $123.88$ by $206.74999904$ .

$0.59917775 \cdot 100$

Step 6.3

Multiply $0.59917775$ by $100$ .

$59.91777536$

Step 6.4

Set the number as a percent.

Mass percentage of $P = 59.91777536 %$

Step 7

Find the mass percentage of each element in the molecule.

Mass percentage of $B = 5.2285369 %$

Mass percentage of $C = 34.85368818 %$

Mass percentage of $P = 59.91777536 %$