Chemistry, asked by mcmonasharon, 4 months ago

A zeolite bed is designed to remove 1025g CaCo3 equivalent hardness. The hardness of inlet water is 102.5ppm.Calculate how much litres of hard water can be treated by this method?

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Answered by Anonymous

Answer:

Again, because the reaction between EDTA and Ca2+ is 1:1 and the formula weight of CaCO3 is 100.0 g/mole, the hardness of water in a 50.00 mL sample, in ppm of CaCO3, is simply the (class average) molarity of EDTA times the volume titrated (in mL) times 2000. Calculate the hardness of each sample.

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