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MHT CET202416 May 2024Morning ShiftChemistrySome Basic Concepts of ChemistryActual

Find the number of moles of sodium atoms in 6.9 10⁻² ~kg ( . Atomic mass .=23 ~g ~mol ⁻¹ )

Options

  1. A1.5
  2. B0.3
  3. C3.0
  4. D2.3

Correct answer

C. 3.0

Step-by-step solution

Number of moles aligned & = Mass of a substance Molar mass of the substance & = 6.9 10⁻² 1000 ~g 23 ~g ~mol ⁻¹ =3 moles aligned

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