All of the following statements are incorrect for 20 mol of hydrogen peroxide except
Correct answer: C. it has 80 mol of atoms
- A. it has 20 mol of hydrogen atoms
- B. it has 30 mol of oxygen atoms
- C. it has 80 mol of atoms
- D. 30 mol of hydrogen atoms
Explanation
As explained hydrogen has 40 mol and oxygen also has 40 mol so the other options are incorrect.
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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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