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Moles and molar mass

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Problem

ElementMolar mass (g/mol)
H1.008
C12.01
O16.00
Using the information in the table, calculate the number of moles in a 2.03 kg sample of citric acid (CA6HA8OA7).
Write your answer using three significant figures.
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
  • an exact decimal, like 0.75
  • a multiple of pi, like 12 pi or 2/3 pi
molCA6HA8OA7
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