Chemistry, asked by sourindhris, 16 days ago

Find no. of atoms present in 200 gram Calcium carbonate?

Answers

Answered by mahiahmed1066

1

Explanation:

firstly we find the mole of CaCO3 . Now, in CaCO3 1 mol CaCO3 contains 3 mol O . Hence, 36.138*10^23 atoms of oxygen are present in 200 g of caco3.

Answered by thanishma

1

no of moles= given mass in grams/gam of the element

given mass=200

atomic mass of Caco3= 100

therefore 200/100=2

no of moles =2

no of atoms =2*avagadro no of molecules

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