A sample of water has a hardness expressed as 80 ppm of Ca

Last updated: 7/3/2023

A sample of water has a hardness expressed as 80 ppm of Ca This sample is passed through an ion exchange column and the Ca is replaced by H What is the pH of the water after it has been so treated Atomic mass of Ca 40 1 3 2 2 7 3 5 4 4 2 4