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Topic: homework help  (Read 2929 times)

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Offline doraem0n

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homework help
« on: December 10, 2008, 08:18:14 PM »
how should i got about solving this problem.

find the concentration of nitrate ion in a 2.16 M solution of aluminum nitrate.

thanks
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Offline enahs

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Re: homework help
« Reply #1 on: December 10, 2008, 08:24:18 PM »
What is the definition of molarity?
What is the formula for aluminum nitrate?
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Offline doraem0n

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Re: homework help
« Reply #2 on: December 10, 2008, 08:43:54 PM »
molarity = moles of solute / L of solvent yes?

the question does not include any L for me to plugg in it. How do I go about finding the L.

thanks
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Offline doraem0n

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Re: homework help
« Reply #3 on: December 10, 2008, 08:46:47 PM »
alno3
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Offline enahs

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Re: homework help
« Reply #4 on: December 10, 2008, 09:11:40 PM »
Yes (use proper capitalization in chemical forumals though!).

So, if you have 1 mol of Aluminum nitrate, it dissociates in water to what?
How many mols of nitrate with it give you?

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