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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

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

B

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

C

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

D

`4xx10^(-3) N,1xx10^(-3)M`

Text Solution

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The correct Answer is:
C
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Hardness of water id 200 p p m . The normality and molarity of CaCO_(3) in the water is

Hardness of water is 200 ppm. The normality and molarity of CaCO_3 in the water is (a). 2xx10^(-6)(N,2xx10^(-6)M (b). 4xx10^(-2)N,2xx10^(-2)M (c). 4xx10^(-3)N,2xx10^(-3)M (d). 4xx10^(-1)N,2xx10^(-1)M

Solution of CaCO_(3) , in water forms a

Hardness of a water sample is 100 "ppm" CaCo_(3) . Thus molarity of CaCO_(3) is

Hardness of water sample is 300 ppm CaCO_3 Hence its molarity is:

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