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A sample of water from the overflow of the recarbonation basin that follows a softening process has a pH of 9.200 ml of the water

A sample of water from the overflow of the recarbonation basin that follows a softening process has a pH of 9.200 ml of the water require 24 ml of 0.01 M H2SO4 to titrate to pH 4.7. What is the alkalinity of the water in mg/L as CaCO

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