how many moles of calcium carbonate are present in 10 gram of the substance
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6
Molecular weight of caco3=. 100
So moles = given mass/ molecular mass,
= 10/100,
0.1 mole
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2
10gram of CaCO3=1/100×10=0.1 mole. Therefore, 0.1 mole of CaCO3 is present in 10grams of the substance.
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