if you are given a mixture of hydrogen and carbon dioxide, how would you remove the carbon dioxide gas?

Explanation

To remove carbon dioxide (CO2) gas from a mixture of hydrogen (H2) and carbon dioxide, you can follow these steps:

### Step-by-Step Solution:

1. **Identify the Components**: Recognize that you have a mixture of hydrogen gas (H2) and carbon dioxide gas (CO2).

2. **Choose an Absorbent**: Select potassium hydroxide (KOH) as the chemical substance to be used for the removal of CO2. KOH is a strong base and has the ability to absorb carbon dioxide.

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