Question

How many moles are in 50 grams of calcium carbonate?

Answer 1

Calcium carbonate or CaCO3 can be converted to moles by using its molar mass.

Explanation: Formula mass of CaCO3=40+12+3- 100amu..

100g CaCO3= 1 mole..., so 50g of

CaCO3=1÷100×50= 0.5 mole..

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