# Problem: What is the H+ ion concentration in a 2.1 x 10 -4 M Ca(OH)2 solution? A) 7.3 x 10-4 M B) 1.4 x 10-3 M C) 2.1 x 10-4 M D) 2.4 x 10-11 M E) 4.8 x 10-11 M

###### Problem Details

What is the H+ ion concentration in a 2.1 x 10 -4 M Ca(OH)2 solution?

A) 7.3 x 10-4 M

B) 1.4 x 10-3 M

C) 2.1 x 10-4 M

D) 2.4 x 10-11 M

E) 4.8 x 10-11 M

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Strong Acid-Base Calculations concept. If you need more Strong Acid-Base Calculations practice, you can also practice Strong Acid-Base Calculations practice problems.

What is the difficulty of this problem?

Our tutors rated the difficulty ofWhat is the H+ ion concentration in a 2.1 x 10 -4 M Ca(OH)2 ...as low difficulty.

How long does this problem take to solve?

Our expert Chemistry tutor, Jules took 1 minute and 33 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Rogers' class at UTA.