# Problem: What is the concentration of hydroxide ions in pure water at 30.0°C, if K w at this temperature is 1.47 × 10-14? A) 1.00 × 10-7 M B) 1.30 × 10-7 M C) 1.47 × 10-7 M D) 8.93 × 10-8 M E) 1.21 × 10-7 M

###### FREE Expert Solution
93% (110 ratings)
###### Problem Details

What is the concentration of hydroxide ions in pure water at 30.0°C, if K w at this temperature is 1.47 × 10-14?

A) 1.00 × 10-7 M

B) 1.30 × 10-7 M

C) 1.47 × 10-7 M

D) 8.93 × 10-8 M

E) 1.21 × 10-7 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 pH and pOH concept. You can view video lessons to learn pH and pOH. Or if you need more pH and pOH practice, you can also practice pH and pOH practice problems.

What is the difficulty of this problem?

Our tutors rated the difficulty ofWhat is the concentration of hydroxide ions in pure water at...as medium difficulty.

How long does this problem take to solve?

Our expert Chemistry tutor, Sabrina took 1 minute and 38 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 Gary's class at HAWAII.