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Hardness of water is 200 p p m. The norm...

Hardness of water is `200 p p m`. The normality and molarity of `CaCO_(3)` in the water is

A

`4 xx 10^(-3)N, 2 xx10^(-6) M`

B

`4 xx 10^(-3) M, 2 xx 10^(-3)N`

C

`4 xx 10^(-3)N, 2 xx 10^(-3) M`

D

`4 xx 10^(-3) N, 1 xx 10(-6)M`

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