A soil with a CEC of 50 cmol(-)/kg has 10% of its exchange sites occupied by hydrogen ions. There is no aluminum in the system. 1. What is the

A soil with a CEC of 50 cmol(-)/kg has 10% of its exchange sites occupied

by hydrogen ions. There is no aluminum in the system.

1. 1. What is the exchangeable acidity of the soil?

1. 2. If one mol of calcium carbonate can neutralize 2 mol of hydrogen ions, what mass of calcium carbonate would be necessary to neutralize all of the exchangeable acidity in one kilogram of this soil? (2 pts)