5 kg of water contain 24 mg of MgSO_4and 32.4 mg of Ca(HCO_3)_2 . The total hardness of water is

5 kg of water contain 24 mg of MgSO_4and 32.4 mg of Ca(HCO_3)_2 . The

1.	5 kg of water contain 24 mg of MgSO_4and 32.4 mg of Ca(HCO_3)_2 . The total hardness of water is
Answer» 4 PPM 6 PPM 8 PPM 7 PPM Answer :C