Chemistry Examples

$L i_{2} C O_{3}$

Step 1

To find the mass of $1$ mole of $L i_{2} C O_{3}$ 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.

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Step 3.1

Remove parentheses.

mass of $1$ mole of $L i_{2} C O_{3} = 2 (6.94000005) + 12.01000022 + 3 (16) g$

Step 3.2

Simplify each term.

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Step 3.2.1

Multiply $2$ by $6.94000005$ .

mass of $1$ mole of $L i_{2} C O_{3} = 13.88000011 + 12.01000022 + 3 (16) g$

Step 3.2.2

Multiply $3$ by $16$ .

mass of $1$ mole of $L i_{2} C O_{3} = 13.88000011 + 12.01000022 + 48 g$

Step 3.3

Simplify by adding numbers.

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Step 3.3.1

Add $13.88000011$ and $12.01000022$ .

mass of $1$ mole of $L i_{2} C O_{3} = 25.89000034 + 48 g$

Step 3.3.2

Add $25.89000034$ and $48$ .

mass of $1$ mole of $L i_{2} C O_{3} = 73.89000034 g$