Plz will upvote
which is/are true?
[mark all correct answers]
a. chemists use the term mole as a counting unit to describe a set number of particles.
b. a mole indicates that there are 6.02 x 10 23 particles present.
c. amedeo avogadro determined the number of particles in a mole.
d. a mole of carbon has the same mass as a mole of hydrogen.
e. a mole of oxygen contains the same number of molecules as a mole of nitrogen.
f. the molar mass of sodium is 23.0 g/mol.