Respuesta :

alykat1118

The answer is 9.03 × 10²⁴ molecules of oxygen!

  • Step 1  6.02 × 10²³ molecules : 1 mol = x : 15 mol
  • Step 2  x = 6.02 × 10²³ molecules * 15 mol * 1 mol
  • Step 3 x = 90.3 × 10²³ molecules
  • Step 4  x = 9.03 × 10 × 10²³ molecules
  • Step 5  x = 9.03 × 10²³⁺¹ molecules
  • Step 6  { x = 9.03 × 10²⁴ molecules }

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