SOLVED: A particular oral contraceptive contains 0.028 mg of ethinyl estradiol in each pill. The formula of this compound is C20H24O2. How many molecules of ethinyl estradiol are there in one pill? (Give answer to 3 digits)How many oxygen atoms are there in one of these pills (due to the presence of ethinyl estradiol)? (Give answer to 3 digits)What mass of oxygen is this? (Enter the answer in grams.)Please show steps, I am trying to understand it.

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