Which element is used as a standard to determine the atomic mass of an element?
Correct answer: B. C
- A. H
- B. C
- C. P
- D. Cl
Explanation
The correct element used as the standard to determine the atomic mass of other elements is B. C. (carbon).
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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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