16. Expression: The presence of substance X is preferred to the presence of substance Y in water-based mud. Select X and
Posted: Mon May 16, 2022 12:55 pm
16. Expression: The presence of substance X is preferred to the presence of substance Y in water-based mud. Select X and Y from the list below for the expression provided above. Calcium Lime Carbonate Hard water HS CO2 17. Explain in one sentence what the term "hard water" means. 18. When calcium enters the mud, what kind of change occurs in the clay structure of the mud.