Question

Which of the following statements is the most accurate with regard to the significance of Avogadro's number, $6.02\times {10}^{23}$?

• A. It is the conversion factor between grams and atomic mass units
• B. It is a universal physical constant just as the speed of light
• C. It is the number of particles that is required to fill a 1 litre container
• D. It is the inverse diameter of an H atom
• E. It is the number of electrons in the universe

Answer 1

Answer: (A)

It is the conversion factor between grams and atomic mass units

The statement (A) is the most accurate with regard to the significance of Avogadro's number, $6.02\times {10}^{23}$.
It is the conversion factor between grams and atomic mass units.
1 gram corresponds to $6.02\times {10}^{23}$ atomic mass units.