question 8 points 3 which of the following does the hardness of water indicate? i. concentration of calcium…
question 8 points 3 which of the following does the hardness of water indicate? i. concentration of calcium ii. concentration of magnesium iii concentration of nitrogen
Answer
Brief Explanations:
Water hardness is mainly due to the presence of calcium and magnesium ions. Nitrogen concentration is not related to water - hardness.
Answer:
B. I and II