Ok, I solved this problem with some more work on it. However, this is how I got my answer:
From that I got the answer. Now, I realize that last step is redundant, but it's the only way I could get back to moles, and it worked. But, was there a better way to do this problem?
And I have another question. I'd start a new thread, but the question in this one I really answered myself, lol.
What is the mass in grams?
0.663 μmol potassium hypoiodite