Hardness of a water sample is 150 ppm. Its hardness is due to only calcium bicarbonate, the weight of calcium hydroxide that required to remove hardness of one litre of hard water is

Hardness of a water sample is 150 ppm. Its hardness is due to only cal

1.	Hardness of a water sample is 150 ppm. Its hardness is due to only calcium bicarbonate, the weight of calcium hydroxide that required to remove hardness of one litre of hard water is
Answer» 243 MG 0.111 GM 74 gm 0.243 mg Answer :B