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Topic: calculating molarity  (Read 4555 times)

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Offline kerilynn

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calculating molarity
« on: July 18, 2008, 11:22:20 AM »
How many moles of AgNO3 are needed to prepare 0.50 L of a 4.0 M solution?

Offline sjb

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Re: calculating molarity
« Reply #1 on: July 18, 2008, 02:15:40 PM »
what does "... a 4.0M solution" mean?

Offline Think2Much4UserNames

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Re: calculating molarity
« Reply #2 on: July 21, 2008, 02:06:10 AM »
How many moles of AgNO3 are needed to prepare 0.50 L of a 4.0 M solution?

Hi, hope it's not too late to answer your question :(
First, Molarity is the moles of solute per 1L of solution
0.5L x 4.0mol/L = 2.0mol AgNO3
errrr, I kept thinking about PV=nRT  :-\
Let me know if my answer is wrong.
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