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1. The number of mole of Ca in 1 mole of CaCr₂O₇ is 1 mole

2. The number of mole of Cr in 1 mole of CaCr₂O₇ is 2 moles

3. The number of mole of O in 1 mole of CaCr₂O₇ is 7 moles

Composition of CaCr₂O₇

Composition simply describes the things that makes up a subtance.

From the formula of the compound, CaCr₂O₇, the following were obtained:

1 mole of CaCr₂O₇ contains

  • 1 mole of calcium, Ca
  • 2 moles of Chromium, Cr
  • 7 moles of Oxygen, O

Snice the question is requesting for the number of moles of each element present in one mole of CaCr₂O₇, the answer can be given as follow:

  • Number of mole of Ca in 1 mole of CaCr₂O₇ = 1 × 1 = 1 mole
  • Number of mole of Cr in 1 mole of CaCr₂O₇ = 1 × 2 = 2 moles
  • Number of mole of O in 1 mole of CaCr₂O₇ = 1 × 7 = 7 moles

Learn more about composition:

https://brainly.com/question/5413542

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