Two compounds X and Y, when dissolved in water, produced sodium bicarbonate. If hydrochloric acid is added to compound 'X', compound Y is liberated. Identify X and Y.

Explanation

To identify the compounds X and Y based on the information provided, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Reaction**:
- We know that when two compounds X and Y are dissolved in water, they produce sodium bicarbonate (NaHCO3).
- The question also states that adding hydrochloric acid (HCl) to compound X liberates compound Y.

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