Question

Approximately how many atoms make up 1.02 moles of helium? A. 2.13 × 1023 atoms B. 4.08 × 1023 atoms C. 6.02 × 1023 atoms D. 6.14 × 1023 atoms

Answer 1

The Answer is 4.08 x 1023 Atoms (Choice B.)

Step-by-step explanation:

The SI base unit for amount of substance is the mole.

1 mole is equal to 1 moles Helium, or 4.002602 grams.

1.02 moles would equal 4.08 x 1023

(I took the test and got it right)