Question
A sample of C3H8 has 2.64 x 10^24 atoms.
How many carbon atoms does the sample contain?
What is the total mass of the sample?
How many carbon atoms does the sample contain?
What is the total mass of the sample?
Answers
bobpursley
carbon atoms: if you are given the total atoms, then 3/11 of them must be carbon
total mass: mass=molemass*numberatoms/8*1/avagradronumber
total mass: mass=molemass*numberatoms/8*1/avagradronumber
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