posted by .

A particular oral contraceptive contains 0.041 mg of ethinyl estradiol in each pill. The formula of this compound is C20H24O2. How many moles of ethinyl estradiol are there in one pill?

I need help in approaching this

  • Chemistry -

    (1) Convert 0.041 milligrams to grams (divide by 1000)
    (2) Find the formula mass of C20H24O2 to get the grams per mole.
    (3) Divide the answer to step #1 by the grams/mole

  • Chemistry -

    The other two parts are:
    1) How many carbon atoms are there in one of these pills (due to the presence of ethinyl estradiol)?

    2What mass of carbon is this? (Enter the answer in grams.)

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions


    1)If 36 mL of KMnO4 solution are required to oxidize 25 mL of 0.02932 M NaC204 solution, what is the concentration of the solution?
  2. Chemistry

    A certain brand of iron suppluement contains FeSo4 7H20 with miscellaneous binders and fillers suppose 22.93 mL of KMnO4 solution used in the question above are needed to oxidize Fe2+ to Fe3+ in a 0.4927g pill. What is the mass percent …
  3. statistics/psyc

    Researchers are interested in the effectiveness of a particular treatment for insomnia. Fifty insomnia sufferers who responded to a newspaper ad are contacted, and each is given a pill with instructions to take it before going to sleep …
  4. chemistry

    2 questions, I'm Having trouble figuring out how to calculate the moles of a solute in a solution based on the molarity and the volume. Here is what I'm working with. 1) "Use molarity of the stock solution of aspirin/Fe(No3)3(aq) (0.0044mol) …
  5. Calculus (need help with only d and e)

    Codeine phosphate is a drug used as a painkiller. A common brand contains 30 mg of codeine. Samples of blood were taken at regular time intervals from a patient who had taken a pill containing 30 mg of codeine. The amount of codeine …
  6. Math

    A pill weighs 70 mg. 7/9 of the pill is the active ingredient. How many milligrams are in the part of the pill that is not the active ingredient?
  7. Stats

    A pill weighs 100 mg, 8/9 of the pill is active ingrediant, how many milligrams are in the part of the pill that is not the active ingrediant?
  8. psychology

    Dr. Jefferson is conducting an experiment in which she is interested in the effects of caffeine on visuospatial ability in adult participants. She conducts an experiment in which she gives one group a pill containing 20mg of caffeine …
  9. statistics

    Pharmaceutical companies advertise for the birth control pill an annual efficacy of 98.6% in preventing pregnancy. However, under typical use the real efficacy is only about 95%. That is, 5% of women taking the pill for a year will …
  10. BioChemistry

    how many moles of estradiol (mw = 272) are there in 2 ml of a 100 μm solution

More Similar Questions