Question:
The hardness of water is usually expressed in parts per
Last updated: 6/15/2023
![The hardness of water is usually expressed in parts per](https://media.kunduz.com/media/sug-question-candidate/20220215235700284865-3769211.jpg?h=512)
The hardness of water is usually expressed in parts per million ppm by mass of CaCO What Type numbers in the boxes is the hardness of a water sample with a Ca ion concentration of 2 3 103 M Assume the 10 points density of the water is 1 0 g mL ppm