Chemistry Examples

$S i_{30}$

Step 1

To find the mass of $1$ mole of $S i_{30}$ 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

Multiply $30$ by $28.09000015$ .

mass of $1$ mole of $S i_{30} = 842.70000457 g$