Question

]If a sample of pure iodine contains 4.69 x 1022 atoms of iodine, how many moles of iodine are in the sample? A=0.08 B=0.13 C=7.78 D=12.84

Answer 1

It is B, and also for a moment I didn't understand that 4.69 x 10^22. I almost did this whole problem wrong.

Answer 2

The correct answer should be B