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Manuel Koch
Chemistry
26 August, 12:46
How many grams do 6.7*1023 atoms of argon weigh?
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Giuliana Giles
26 August, 13:03
0
44.4g
Explanation:
First we must find the moles of argon.
To do this, divide the number of atoms by Avogadro's number (6.022 * 10^23)
n = (6.7 * 10^23) / (6.022 * 10^23)
n=1.11258718034
Now to find mass, we complete the calculation
m = n * MM
where
m is mass
n is moles
MM is molecular mass
m = 1.11258718034 * 39.948
m = 44.4456326802
m = 44.4g
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