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ChemistryNEET 2024Mole concept and molar mass

Some Basic Concepts of Chemistry

A compound X contains 32% of A, 20% of B and the remaining percentage of C. Then the empirical formula of X is (given atomic masses A = 64, B = 40, C = 32 u):

  1. A.
  2. B.
  3. C.
  4. D.

Solution

Moles per 100 g: A , B , C . Ratio , so .

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