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amphetamine (c9h13n) is a powerful stimulant. what is the percent composition of all of the elements in this compound?

A. 9%C;13%H;1%N
B. 30%C;10%H;60%N
C. 60%C;35$H;5%N
D. 80%C;9.6%H;10.4%N

I think b

  • chemistry -

    Nope. It's done the same way the C in C3H8 is done. Follow that route.

  • chemistry -

    You're guessing. Follow the % carbon in the C3H8 problem.

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