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Which of the following equals the number of hydrogen atoms in 40 grams ... ...

Which of the following equals the number of hydrogen atoms in 40 grams of methane?
(A) 1.5 x 10²⁴
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in 01. Matter

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Amir E

Replies to This Thread: 1 | ----

Posted: 12/24/2012 16:31

Can you explain this please

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K L

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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!

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Admin

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Posted: 01/09/2013 18:27

Thanks, K L for posting an answer.

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