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Chemistry-Atomic & Molecular Mass

NEET Chemistry Atomic & Molecular Mass MCQ Question

Type: MCQ-diagram based-Medium-Class 11

Consider a hypothetical diagram showing a collection of 1 mole of different substances. If the diagram includes hydrogen atoms, water molecules, and sodium chloride formula units, how many total entities are present in the diagram?

Question diagram
A

6.022 × 10^23 entities

B

12.044 × 10^23 entities

C

18.066 × 10^23 entities

D

24.088 × 10^23 entities

Correct Answer

Option C

Detailed Explanation

According to the NCERT context, 1 mole of any substance contains Avogadro's number of entities, which is 6.022 × 10^23. Since there are three different substances, the total number of entities is 3 × 6.022 × 10^23 = 18.066 × 10^23.

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