Monday
July 28, 2014

Homework Help: chemistry

Posted by Chris on Monday, October 16, 2006 at 5:07pm.

Combustion analysis of 1.00g of the male sex hormone, testosterone, yields 2.90 g of CO2 and .875 g H2O. What are the mass percents of carbon, hydrogen, and oxygen in testosterone?

How do I solve this?


How many grams of C is in 2.90g of CO2? That is the same mass of C in the 1 gram of testerone.

How many grams of H are in .875 g of water? That is the same mass of H in the 1 gram of testerone.

Now, to figure the O in testostrone, subtract the grams of H and the grams of C from the 1 gram total, the remainder is O.

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