The molecular mass of Water is 18.
Find the mass of 1 GMM H2O.
b. How many moles are there in 180g of H2O
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Answer:
no of moles=
mass of substance/molar mass of substance
180/18=10moles of H²O
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no of moles= mass of substance/molar mass of substance
no of moles= 180/18
no of moles= 10moles of H²O
Molecular mass of one mole of water Equals Molecular mass of one mole N A
The mass of a single mole of water is equal to 18N A amu.
The molar mass in grams of one mole of water is also its mass. As a result, one mole of water mass 18 g.
Hence
no of moles = 10moles
mass of 1 GMM H2O = 18 g
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