How many atoms are present in 2.50 mol of copper metal ?

Foundation

Chemistry Foundation

Mole Concept and Calculation

Question

4.5 × 10²³ atoms

1.5 × 10²⁴ atoms

4.5 × 10²⁴ atoms

1.5 × 10²³ atoms

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∵ 1 mole of Cu metal contains = 6.023 × 10²³atoms
∴ 2.5 mol of Cu metal will contain
   = 6.023 × 10²³ × 2.5
   = 1.505 × 10²⁴atoms