In Dumas' method, the evolved gas mixture is collected over an aqueous solution of potassium hydroxide (). The primary role of the solution is to:

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Question

In Dumas' method, the evolved gas mixture is collected over an aqueous solution of potassium hydroxide ($KOH$). The primary role of the $KOH$ solution is to:

Prashant Kotian · Accepted Answer

Correct answer: C. The evolved mixture contains , , and . The completely absorbs the carrier gas, leaving only the pure volume of to be accurately measured.

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