Which statement is true about the mole and molar mass?
A) A mole is a number of particles equal to the number of atoms in exactly 12 grams of carbon-12.
B) A mole is a number of particles equal to the number of atoms in exactly 12 grams of naturally occurring carbon.
C) A mole is a number of particles equal to the number of atoms in exactly 16 grams of oxygen-16.
D) Molecular mass in amu and molar mass in grams per mole are independent of each other.
E) The mole requires that the numbers of atoms in equal masses of different substances are equal.
Correct Answer:
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