$100$ kg hard water contains $5$ g $M g S O_{4}$ . The hardness of water is:

41.66

ppm

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4.166

ppm

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416

ppm

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None of the above

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Solution

The correct option is B $4.166$ ppm

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Similar questions

M g S O_{4}

If 100kg of a water sample contains 6 g of $M g S O_{4}$ . The degree of hardness of the water sample is

M g S O_{4}

1 m g

C a {C l}_{2}

1 m g

M g {S O}_{4}

30

M g S O_{4}

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