Find the Mass of 1 Mole HeNeArKrXe

$H e N e A r K r X e$

Step 1

To find the mass of $1$ mole of $H e N e A r K r X e$ 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 $H e N e A r K r X e$ $=$ $(mass of He)$ + $(mass of Ne)$ + $(mass of Ar)$ + $(mass of Kr)$ + $(mass of Xe)$

Step 2

Fill in the atomic masses from the periodic table.

mass of $1$ mole of $H e N e A r K r X e$ $=$ $(4)$ + $(20.1800003)$ + $(39.95000076)$ + $(83.80000305)$ + $(131.28999328)$

Step 3

Simplify the result.

Remove parentheses.

mass of $1$ mole of $H e N e A r K r X e = 4 + 20.1800003 + 39.95000076 + 83.80000305 + 131.28999328 g$

Add $4$ and $20.1800003$ .

mass of $1$ mole of $H e N e A r K r X e = 24.1800003 + 39.95000076 + 83.80000305 + 131.28999328 g$

Add $24.1800003$ and $39.95000076$ .

mass of $1$ mole of $H e N e A r K r X e = 64.13000106 + 83.80000305 + 131.28999328 g$

Add $64.13000106$ and $83.80000305$ .

mass of $1$ mole of $H e N e A r K r X e = 147.93000411 + 131.28999328 g$

Add $147.93000411$ and $131.28999328$ .

mass of $1$ mole of $H e N e A r K r X e = 279.2199974 g$

Find the Mass of 1 Mole HeNeArKrXe

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