Homework Help: chemistry

Posted by Drew on Saturday, November 10, 2012 at 8:47pm.

The chemical explosive nitroglycerine has the formula C3H5(NO3)3. How many oxygen atoms are in the formula unit for this compound?
A. 3
B. 6
C. 9
D. 12

C. 9

chemistry - DrBob222, Saturday, November 10, 2012 at 9:01pm
I agree.
chemistry - andrew, Saturday, November 10, 2012 at 9:01pm
you have the correct answer and are looking for an explanation?

there are three nitrates of formula NO3. since there are 3 oxygen atoms per nitrate, and 3 nitrates total. 3x3 = 9 oxygen atoms per nitroglycerin
chemistry - Drew, Saturday, November 10, 2012 at 9:03pm
thank you

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