Question 20
1 pts
Avogadro's number is the number of \( \qquad \)
moles in \( 6.02 \times 10^{23} \mathrm{amu} \) of an element
particles in 1 mole of a substance
amu in 1 mole of a substance
moles in \( 6.02 \times 10^{23} \mathrm{~g} \) of an element
grams in 1 mole of a substance