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What is the total number of atoms present in 39.4 g of gold (Au) given that the molar mass of gold is 197 g mol −1 ?

Options

  1. A6.022 × 10 23
  2. B1.2 × 10 23
  3. C2.4 × 10 23
  4. D3.6 × 10 23

Correct answer

B. 1.2 × 10 23

Step-by-step solution

Correct Option is : (B) 1.2 × 10 23

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