How many moles of atoms are in 9.00 g of 13c?

Question

Bruce Combs

Chemistry

Today, 17:39

How many moles of atoms are in 9.00 g of 13c?

+2

Answers (2)

Know the Answer?

Kayley Khan · Answer 1

I'm pretty sure the answer is

9/13 moles

Cynthia Avila · Answer 2

The atomic weight of 13C should be pretty close to 13.0. (If you have the exact mass, use it in the problem.) So, 9.00 g / 13.0 g/mol = 0.692 moles Therefore, the answer should be 0.692 moles are in 9.00 g of 13C.