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12 February, 15:55

How many atoms are in 2.50 moles of co2?

a. 4.52 x 1024 atoms

b. 1.52 x 1024 atoms

c. 5.02 x 1023 atoms

d. 3.01 x 1024 atoms

e. 7.53 x 1023 atoms?

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Answers (1)
  1. 12 February, 16:08
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    2.5 mol CO2 (2 mol O / 1 mol CO2) (6.022 x 10^23 atom / mole) = 3.011 x 10^24 atoms of oxygen

    Avogadro's number represents the number of units in one mole of any substance. This has the value of 6.022 x 10^23 units / mole. this could be converted.
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