Chemistry
Grade-9
Easy

Question

How many moles of Cu is present in the 6.0222 × 1024 atom?

  1. 15 moles
  2. 10 moles
  3. 20 moles
  4. 5 moles

hintHint:

1 mole of Cu has 6.022 space cross times space 1023 atoms.

The correct answer is: 10 moles


    1 mole of Cu has 6.022 space cross times space 10 23 atoms.
    Number of mole of atoms present in 6.022 space cross times space 10 24 atoms =  6.022 space cross times space 1024 divided by  6.022 space cross times space 1023 = 10 moles.

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