Question

VERY URGENT PLEASE ANS FAST calculate the no of moles of Ca Oxygen and C in 200g of caco3

Answer 1

Answer:

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We know that the molecular mass of CaCO3 can be calculated as per information:-

Ca--> 40u, C-->12, O-->16.

Hence molecular mass of CaCO3= 40+12+{3×(16)}=100u~~ 100g.

Here (given mass )=200g.

Now no. Of moles(n) = given mass ÷( molecular mass).

n=200÷100= 2 mols.

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