Which of the following is not true for a mole?
Correct answer: D. It contains different number of particles for different substances
- A. It is counting unit
- B. It is the gram atomic or gram formula mass of a substance
- C. It contains 6.023 x 10^23 particles
- D. It contains different number of particles for different substances
Explanation
1 mole of any substance contains equal No. of particle i.e. 6.02x1023
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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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