Multiple Choice
In cation-exchange resins, what ion replaces Ca2+ and Mg2+ in the hard water that is passed over the resin?
A) Ba2+
B) K+
C) Li+
D) Na+
E) H+
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q85: Choose the only element that forms a
Q86: Write a balanced equation for the following
Q87: What is the most abundant (by mass)
Q88: Write a balanced equation for the following
Q89: Which of the following has the highest
Q91: Choose the correct molecular structure for AsCl<sub>5.</sub><br>A)
Q92: The Haber process<br>A) is used to recover
Q93: Choose the metal with the lowest melting
Q94: Write a balanced equation for the following
Q95: Which of the following is the second