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Topic: Calculate Molarity of sodium chloride?  (Read 7270 times)

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Offline Whapper2006

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Calculate Molarity of sodium chloride?
« on: October 28, 2008, 08:02:35 PM »
How do I calculate the molarity of the resulting sodium chloride solution? I don't understand how to go about this

HCl + NaOH --> NaCl + H20
Volume of HCl: .05 L
Volume of NaOH: .05 L
Volume total: .1 L
Molarity of HCl: 1.99 M
Molarity of NaOH: 1.95 M

Offline Astrokel

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Re: Calculate Molarity of sodium chloride?
« Reply #1 on: October 29, 2008, 01:20:56 AM »
How many moles of NaCl in the solution? And what is the final volume? How do you go about calculating molarity?
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Offline Omggg

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Re: Calculate Molarity of sodium chloride?
« Reply #2 on: October 29, 2008, 01:27:52 AM »
is it HCl mixed with some sort of solution?
in that case, you would have to use
#Mol of solute/ total solution in L (i think its L)  =  molarity
you find moles of everything, then you calculate limitent reactant, and use that with the ratios, to find the resulting NaCl solution


if this isnt a solution question then you cant use that above equation, and in this case you would have to know what the limitent reaction is, it must say what is in excess or something like that in the question.




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