How many moles of oxygen molecules correspond to 7.85 x 10^23 molecules of O2?

Answers

Answer #1 | 08/02 2014 09:22

7.85/6.02 = 1.304 moles of O2.

Answer #2 | 08/02 2014 08:49

Consider how many objects, no matter what they are, represent a mole of anything, 6.02 x 10^23 objects/mole of anythinig. So label what you were given and the number of objects that make up a mole. Then arrange the calculation so that the resulting answer has moles.

Answer #1| 08/02 2014 09:22