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Subjects

Chemistry

Mole concept and molar mass

This Class 11 Chemistry topic from Some Basic Concepts of Chemistry introduces the mole as a practical counting unit for atoms, molecules, ions, and other particles. Students learn how Avogadro’s number connects microscopic particles with measurable amounts, calculate molar mass from atomic masses and chemical formulae, and convert between mass, moles, and number of particles. The topic also builds accuracy in chemical calculations and prepares students to interpret quantities in balanced reactions.

Easy · Level 2 · 14 questions

TOPIC PRACTICE

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Up to 14 questions from this page. Select your focus, then start.

14 questions

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  1. 0.05 mol
  2. 0.10 mol
  3. 0.25 mol
  4. 1.00 mol
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  1. 0.1 M
  2. 0.2 M
  3. 0.4 M
  4. 2.5 M
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  1. 0.1 mol kg⁻¹
  2. 0.2 mol kg⁻¹
  3. 0.4 mol kg⁻¹
  4. 2.5 mol kg⁻¹
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  1. 30 g mol⁻¹
  2. 60 g mol⁻¹
  3. 90 g mol⁻¹
  4. 100 g mol⁻¹
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  1. 18 g mol⁻¹
  2. 90 g mol⁻¹
  3. 180 g mol⁻¹
  4. 360 g mol⁻¹
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  1. 18 g mol⁻¹
  2. 90 g mol⁻¹
  3. 180 g mol⁻¹
  4. 360 g mol⁻¹
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  1. 10 g mol⁻¹
  2. 50 g mol⁻¹
  3. 100 g mol⁻¹
  4. 200 g mol⁻¹
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  1. 50 g mol⁻¹
  2. 75 g mol⁻¹
  3. 100 g mol⁻¹
  4. 125 g mol⁻¹
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  1. 18 g mol⁻¹
  2. 90 g mol⁻¹
  3. 180 g mol⁻¹
  4. 360 g mol⁻¹
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  1. 0.1 mol
  2. 1.0 mol
  3. 10 mol
  4. 180 mol
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  1. 50 g mol^-1
  2. 75 g mol^-1
  3. 100 g mol^-1
  4. 125 g mol^-1
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  1. 100 g mol^-1
  2. 150 g mol^-1
  3. 200 g mol^-1
  4. 250 g mol^-1
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  1. \(20\,\mathrm{g\,mol^{-1}}\)
  2. \(40\,\mathrm{g\,mol^{-1}}\)
  3. \(60\,\mathrm{g\,mol^{-1}}\)
  4. \(80\,\mathrm{g\,mol^{-1}}\)
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  1. 24 g mol⁻¹
  2. 48 g mol⁻¹
  3. 60 g mol⁻¹
  4. 120 g mol⁻¹

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