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Mariana [72]
2 years ago
10

How many formula units make up 29.2 g of magnesium chloride (MgCl2)?

Chemistry
1 answer:
arlik [135]2 years ago
7 0
Formula units??? im assuming moles 
if its how many moles of mgcl2 in 29.2g of mgcl2
to find moles: Mass / RFM = 29.2/95 = 0.307mol

if its the number of atoms: Moles x Avogadro contestant
0.307 x 6.02x10+23 

hope that helps
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