A mole of oxygen atoms contains

**6.022 x 10(to the power of 23)**atoms. A mole of oxygen molecules contains**6.022 x 10(to the power of 23)**molecules. A mole of oxygen molecules contains**2 x 6.022 x 10(to the power of 23)***oxygen*atoms. A mole of oxygen atoms has a mass of**16.00**grams. A mole of oxygen molecules has a mass of**32.00**grams.