All of the following statements are incorrect for 20 mole of water except
Correct answer: B. 40 moles of hydrogen atom
- A. 80 moles of atoms
- B. 40 moles of hydrogen atom
- C. 30 moles of electrons
- D. 30 moles of oxygen atoms
Explanation
2H + O --> H2O H : H2O 2 : 1 X : 20 X=40 moles of hydrogen atom. (Correct)
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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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