1 litre water sample of ground water in an area is found to contain 7.3 mg of `Mg(HCO_(3))` and `1.11 mg` of `CaCl_(2)`. Express the hardness of water in that area.

5 kg of water contain 24 mg of MgSO_4 and 32.4 mg of Ca(HCO_3)_2 . The total hardness of water is

One litre of a sample of hard water contains 1 mg of CaCl_(2) and 1 mg of MgCl_(2) . Find the total hardness of water in terms of parts of CaCO_(3) per 10^(6) parts of water by mass.

Calculate the degree of hardness of a sample of hard water which is found to contain 72 mg of "MgSO"_(4) per kg of water.

A sample of hard water is found to contain 50mg of CaSO_4 in 12kg of sample.Calculate the hardness of the sample in terms of ppm of CaSO_4 .

One litre of a sample of hard water contains 5.55 mg of CaCl_(2) and 4.75 mg of MgCl_(2) . The total hardness of ppm of CaCO_(3) is

One litre of a sample of hard water contains 5.55 mg " of "CaCl_(2) and 4.75 mg" of "MgCl_(2) . The total hardness in terms of ppm of CaCO_3 is

One litre of a sample of hard water contains 5.55 mg of CaCl_(1) and 4.75 mg of MgCl_(2) . The total harness of ppm of CaCO_(3) is

One litre of sample of hard water contains 0.8 mg of CaCl_(2) and "0.8 mg of MgCl"_(2) . Find the total hardness in terms of parts of CaCO_(3) , per 10^(6) parts of water by mass.

One litre of sample of hard water contains 0.8 mg of CaCl_(2) and "0.8 mg of MgCl"_(2) . Find the total hardness in terms of parts of CaCO_(3) , per 10^(6) parts of water by mass.