The number of moles of CO2 that contain 8g of oxygen is:
Correct answer: C. 0.25
- A. 0.75
- B. 1.50
- C. 0.25
- D. 1.00
Explanation
32 g of oxygen = 1 mole of O2For 8 frames, the number of moles is 8/32 = 0.25 moles of O21 mole of O2 equals 1 mole of CO2Then, 0.25 moles of O2 equal 0.25 moles of CO2
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About Fundamental Concepts of Chemistry
Mole calculations connect mass, number of particles and Avogadro's number, while balanced equations provide the mole ratios used in stoichiometry. Questions cover limiting and excess reactants, theoretical yield and percentage yield, including identifying which reactant is consumed first and comparing the actual product with the maximum possible product.
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