Why is that instantaneous rate of reaction does not change when a part of the reaction solution is withdrawn?

Explanation

To understand why the instantaneous rate of reaction does not change when a part of the reaction solution is withdrawn, we can break it down into the following steps:

### Step-by-Step Solution:

1. **Definition of Instantaneous Rate of Reaction**:
- The instantaneous rate of reaction is defined as the rate of reaction measured at a specific moment in time. It reflects how fast reactants are being converted into products at that particular instant.

2. **Rate of Reaction**:
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