calculate the number of moles for the following :
52g of Helium
17g of water
22g of carbon dioxide.
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Answer:
mole = mass in grams/ molecular mass
1) helium - molecular mass - 4.003 g
52 /4,003 = 12.99 mol
2) water - H2O - molecular mass - 18 g
17 /18 = 0,944mol
3) carbon dioxide - CO2 - molecular mass - 44g
22 /44 = 0,5 mol
Answered by
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Explanation:
molecular mass if h2o=18
no.of mol=52/18
= 2.8
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