Lishh7198 Lishh7198
  • 26-02-2020
  • Chemistry
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Portland cement contains some SiO2. Calculate the mass percent composition of silicon in this compound. (enter the percentage with 3 significant figures)

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fahadisahadam
fahadisahadam fahadisahadam
  • 27-02-2020

Answer: 46.7%

Explanation:

in the attachment

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