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Raunak took 5 moles of carbon atoms in a container and Krish also took 5 moles of sodium atoms in another container of same weight. Whose container is heavier? - Science

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Question

Raunak took 5 moles of carbon atoms in a container and Krish also took 5 moles of sodium atoms in another container of same weight.

  1. Whose container is heavier?
  2. Whose container has more number of atoms?
Answer in Brief
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Solution

a. Mass of the container containing 5 moles of C atoms=5 x 12 = 60 g

Mass of container containing 5 moles of Na atoms=5 x 23 = 115 g

Hence, a container of Krish is heavier.

b. Both containers have same number of atoms since they co0ntailn same number of moles.

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Chapter 3: Atoms and Molecules [Page 22]

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NCERT Exemplar Science [English] Class 9
Chapter 3 Atoms and Molecules
Q 31. | Page 22

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