Chemistry Examples

$M g H$

Step 1

To find the mass of $1$ mole of $M g H$ 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 $1$ mole of $M g H$ $=$ $(mass of Mg)$ + $(mass of H)$

Step 2

Fill in the atomic masses from the periodic table.

mass of $1$ mole of $M g H$ $=$ $(24.30999946)$ + $(1.00999999)$

Step 3

Simplify the result.

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Step 3.1

Remove parentheses.

mass of $1$ mole of $M g H = 24.30999946 + 1.00999999 g$

Step 3.2

Add $24.30999946$ and $1.00999999$ .

mass of $1$ mole of $M g H = 25.31999945 g$