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Chemistry Homework Help => Organic Chemistry => Topic started by: Megan on December 02, 2010, 08:59:47 PM

Title: Calculating concentration
Post by: Megan on December 02, 2010, 08:59:47 PM
By titrations it is found that 27.5 milliliters of 0.155 M NaOH are required to neutralize 25.0 milliliters of HCl. Calculate the concentration of the hydrochloric acid solution.

I think you may use the equation M1V1= M2V2 but I am not sure how to calculate it.

Thanks for the help.
Title: Re: Calculating concentration
Post by: uma on January 30, 2011, 08:00:39 AM
you are right
use M1V1= M2V2
M1= 0.155 M NaOH
V1=27.5 milliliters
M2=???
V2=25.0 milliliters of HCl
M2 = M1V1/V2
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