# Which solution contains 0.2 mol of potassium hydroxide, KOH? (multiple choice)

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A. 1 #cm^3# of 0.2 mol #dm^3# KOH

B. 10 #cm^3# of 0.2 mol #dm^3# KOH

C. 100 #cm^3# of 2.0 mol #dm^3# KOH

D. 1 #dm^3# of 2.0 mol #dm^3# KOH

The answer is C. 100 #cm^3# of 2.0 mol #dm^3# KOH, why?

A. 1

B. 10

C. 100

D. 1

The answer is C. 100

##### 1 Answer

#### Explanation:

Thus, since

Note that

You would not be asked to perform this conversion at A level; in 1st year chemistry I would expect it. You WOULD be expected to know that