Question

Calculate the amount of sodium required to remove the calcium ions from a sample of hard water which is 0.002m in calcium ions

Answer 1

One way to remove these ions from hard water is the use of sodium carbonate. Your teacher asked you to calculate the amount of sodium required to remove the calcium ions from a sample of hard water which is 0.002 M in calcium ions. (a) Write the reaction of sodium carbonate in the removal of hardness of water.