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mashbour8199
Joined: 21 Jul 2009
Posts: 6
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 Posted: Fri Aug 21, 2009 9:21 am Post subject: |
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Hey there,
Where did the 20V come from please?
Thanks! |
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mcat_premed3832
Joined: 19 Oct 2006
Posts: 412
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| Posted: Sun Aug 23, 2009 9:19 pm Post subject: |
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| The 20 V is in the question stem. |
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sbains3528
Joined: 16 Aug 2010
Posts: 14
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| Posted: Sun Aug 22, 2010 6:17 pm Post subject: |
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| how do you know if that the He has lost two electrons? In the passage, I don't see where they say He2+ is what you should be evaluating so I never multiplied the electron charge by 2 in the problem. |
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