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Match (A) mole, (B) Avogadro's number, (...

Match (A) mole, (B) Avogadro's number, (C) 22.4 L, (D) vapour density, (E) empirical formula with its description given below.
It is the volume of one mole of a gas at STP.

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The correct Answer is:
To solve the question, we need to match the given terms with their correct descriptions. The description provided is: "It is the volume of one mole of a gas at STP." Let's go through the matching step by step: ### Step 1: Understand the Terms - **Mole**: A unit of measurement for amount of substance. - **Avogadro's number**: The number of particles (atoms, molecules, etc.) in one mole, approximately \(6.022 \times 10^{23}\). - **22.4 L**: The volume occupied by one mole of an ideal gas at standard temperature and pressure (STP). - **Vapour density**: The density of a vapor compared to the density of hydrogen at the same temperature and pressure. - **Empirical formula**: The simplest whole-number ratio of elements in a compound. ### Step 2: Analyze the Description The description states: "It is the volume of one mole of a gas at STP." ### Step 3: Match the Term From our understanding: - The term that corresponds to the description "It is the volume of one mole of a gas at STP" is **(C) 22.4 L**. ### Final Answer The correct match for the description is: - **(C) 22.4 L**
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