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Question 20122
NEET Chemistry · Hard

Some Basic Concepts of Chemistry: Applied stoichiometry MCQ

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Applied stoichiometryHardQuestion 20122

Question

A sample of impure NaOH weighing 8 g is 50% pure. Number of moles of pure NaOH present is:

  1. A
    0.1
    Correct
  2. B
    0.2
  3. C
    0.4
  4. D
    0.05

Correct answer

0.1

Explanation

Pure NaOH mass is 4 g and molar mass is 40.

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