What is correct for 10 g of `CaCO_(3)`?
A. It contains 1 g atom of carbon
B. It contains `0*3` g atoms of oxygen
C. It contains 12 g of calcium
D. It refers to `0*1` g-equivalent of `CaCO_(3)`
A. It contains 1 g atom of carbon
B. It contains `0*3` g atoms of oxygen
C. It contains 12 g of calcium
D. It refers to `0*1` g-equivalent of `CaCO_(3)`
Correct Answer – B
10 g of `CaCO_(3) = (10)/(100)`
`= 0*1 g` mol of `CaCO_(3)`
`=0*1xx3` g-atom of oxygen
`=4g Ca = 0*2 g eq.`