Question

I really need help with this question?

You have a 12.01 g sample of carbon. The average mass of a carbon atoms is 1.994 x 1023 g. How many carbon atoms are in the sample?

(round the number to 2 decimal places)
(if you get a superscript, place a ^ before the superscript)
(if you get a subscript, place _{before the subscript and} after the subscript)

Answer 1

I think you made a typo in your posting. Didn't you mean the average mass of a (single) carbon atom is 1.994 x 10^-23 (not +23).
You know the mass is 12.01. Each atom as a mass of 1.994 x 10^-23 g. Then the number of atoms in 12.01 g =
12.01/1.994 x 10^-23 = ?? which I get as 6.023 x 10^23 or 6.023 x 10²³.