Which of the following will react fastest (i.e., profuce most of the Product in a given time) and which will react at the highest rate?
(a) `1 mol` of `A` and `1 mol` of `B` in a `1-L` vessel.
(b) `2 mol` of `A` and `2 mol` of `B` in a `2-L` vessel.
( c) `0.2 mol` of `A` and `0.2 mol` of `B` in a `0.1-L` vessel.

Explanation

To determine which reaction will produce the most product in a given time (fastest reaction) and which will react at the highest rate, we need to analyze the three scenarios provided in the question based on the number of moles and concentration of the reactants A and B.

### Step-by-Step Solution:

1. **Identify the Moles and Volume in Each Case:**
- (a) 1 mol of A and 1 mol of B in a 1-L vessel.
- (b) 2 mol of A and 2 mol of B in a 2-L vessel.
- (c) 0.2 mol of A and 0.2 mol of B in a 0.1-L vessel.
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