Discussion

Which of the following equals the number of hydrogen atoms in 40 grams of methane?
(A)1.5 x 1024
(B)...
(C)...
(D)...
(E)...
(F)...
*This question is included in 01. Matter, question #14

The solution is

Posted: 12/24/2012 16:31
Can you explain this please
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Posted: 01/06/2013 02:09
40g ch4 x (1 mol ch4/16g ch4) x (6.023e23 ch4 atoms/1 mol ch4) x (4 H atoms/1 ch4 atom)

Use dimensional analysis to set up the above solution, cancel your units!
Posted: 01/09/2013 18:27
Thanks, K L for posting an answer.

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