# IRC log for #cdk, 2011-12-01

All times shown according to UTC.

Time Nick Message
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15:24 Guy Hello
15:25 Guest50040 Can you help me with a chemistry problem
15:39 Guest50040 The question is
15:40 Guest50040 How many carbon atoms are present in 50 molecules of cholchinine (C22H25NO6) ?
15:41 Guest50040 The title of the problem, if it may help, is "moles - molecules - avogadro's number"
15:43 Guest50040 The answer is 1.1 x 10^3 I think
15:44 Guest50040 The book I have is old so I am not sure about the power of the 10, but I know it's only a single digit number
15:45 Guest50040 I don't know how to solve this, I know that avogadro's number is 6.022 x 10^23
15:45 Guest50040 from there, I don't know
15:45 mgerlich hi, if you only count 22 C-Atoms 50-times, then the answer is 1100
15:45 Guest50040 OHHHH, I am so stuuuupid
15:45 Guest50040 you are right
15:45 mgerlich which is equal to  1.1 x 10^3
15:45 Guest50040 I found that
15:45 mgerlich :)
15:46 Guest50040 but I thought it was not the answer because the answer in the book was in a scientific notation
15:46 Guest50040 THANKS a lot
15:46 mgerlich you're welcome
15:46 Guest50040 I so love you for this
15:47 Guest50040 Oh, does that sound weird, I didn't mean iit like that
15:47 mgerlich ^^
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