jocelynosorio11 jocelynosorio11
  • 06-01-2019
  • Chemistry
contestada

Help!! How many moles of CaCO3 are needed to get 2.35 moles of CaO? What would be my reasoning and evidence?

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jcherry99
jcherry99 jcherry99
  • 06-01-2019

Equation

CaCO3 ===> CaO + O2

Solution

If you start with this equation, then the balance numbers (molar ratios) are

  • 1 for the CaCO3
  • 1 for the CaO
  • 1 for the O2

If you want 2.35 moles of CaO then you are going to have to start out with 2.35 moles of CaCO3

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