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sasho [114]
3 years ago
6

If a sample of magnesium atoms has a mass of 36.8 g how many atoms are in the sample

Chemistry
1 answer:
ryzh [129]3 years ago
4 0
So in order to answer this question you need to know how many moles are in 36.8g of magnesium.  A mole of magnesium has a mass of 24.3 grams.  36.8/24.3 is about 1.51.  This is how many moles are in 36.8 g of magnesium.  Now you multiply this number by Avagadro's number which is 6.022E23.  The total should be 9.12E23 atoms of magnesium.  
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