Question

A sample of carbon-12 has a mass of 6.00 g. How

many atoms of carbon-12 are in the sample?
03.01 1023
06.02 x 1023
o 1.20 x 1024
O 3.60 1024
DONE

Answer 1

A. 3.01 × 1023

(and just incase you wanted the answer after that one it is, A. 0.500)

Step-by-step explanation:

Answer 2

Hello!

First, find the molar mass of Carbon-12. It is defined as 12 g. Now, see how many moles are in the 6 grams of that sample.

6 / 12 = 1/2

Therefore, there are 1/2 moles in the 6 gram sample. Now, take Avogadro's number, or how many atoms there are in a mole. Avogadro's number is 6.02214076×10²³. (approximately)

Now, since you know we have 1/2 of a mole, take 1/2 of Avogadro's number to see how many molecules are in 1/2 of a mole.

1/2 * 6.02214076×10²³ =roughly 3.01×10²³

Therefore, your answer is 3.01×10²³.

Hope this helps!