50 ml of water sample requires 6 ml of soap solution to produce a good lather. 1 ml of soap solution is equal to 0.001 g of CaCO_3 . Then the degree of hardness of water is

50 ml of water sample requires 6 ml of soap solution to produce a good

1.	50 ml of water sample requires 6 ml of soap solution to produce a good lather. 1 ml of soap solution is equal to 0.001 g of CaCO_3 . Then the degree of hardness of water is
Answer» 120 PPM 1.2 ppm 112 ppm 2.4 ppm ANSWER :A