Find the Mass of 1 Mole HeLi

$H e L i$

Step 1

To find the mass of $1$ mole of $H e L i$ 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 $H e L i$ $=$ $(mass of He)$ + $(mass of Li)$

Step 2

Fill in the atomic masses from the periodic table.

mass of $1$ mole of $H e L i$ $=$ $(4)$ + $(6.94000005)$

Step 3

Simplify the result.

Remove parentheses.

mass of $1$ mole of $H e L i = 4 + 6.94000005 g$

Add $4$ and $6.94000005$ .

mass of $1$ mole of $H e L i = 10.94000005 g$

Find the Mass of 1 Mole HeLi

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