4 2MnO4 3H O 2MnO 30 2H O 2OH 100 mL of a water sample

Last updated: 7/4/2023

4 2MnO4 3H O 2MnO 30 2H O 2OH 100 mL of a water sample contains 0 81 g of calcium bicarbonate and 0 73 of magnesium bicarbonate hardness of this water sample expressed in terms of equivalents of CaCO3 is molar mass of calcium bicarbonate is 162 g mol and magnesium bicarbonate is 146 gmol 1 1 000 ppm 2 10 000 ppm 3 100 ppm JEE MAINS ONLINE 2 4 5 000 ppm ONLINE