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Calculate molarity of CaCO(3)(aq.) solut...

Calculate molarity of `CaCO_(3)`(aq.) solution which has concentration of `CaCO_(3)=200`ppm.

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200 g of `CaCO_3` = 200 ppm.
`200/100=2` moles of `CaCO_3` in `10^6` litres of water.
(density = 1g/mL)
So molarity `=2/10^3=2xx10^(-3) M`
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