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Topic: i need help in this problem... (moles)  (Read 3789 times)

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Offline kirtneill

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i need help in this problem... (moles)
« on: October 18, 2007, 06:05:14 AM »
How many hydrogen atoms are contained in a 55.6 gram sample water?

I got 18.02 g/mol for the molar mass of h20.
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Offline Borek

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Re: i need help in this problem... (moles)
« Reply #1 on: October 18, 2007, 06:56:26 AM »
That's a good starting point.
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Offline Sev

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Re: i need help in this problem... (moles)
« Reply #2 on: October 18, 2007, 07:21:03 AM »
Quote
That's a good starting point.

True.  Next, calculate moles of H2O.  How many moles of H atoms is this?
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Offline kirtneill

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Re: i need help in this problem... (moles)
« Reply #3 on: October 19, 2007, 12:21:33 AM »
thanks! :)
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