deepk` Posted January 28, 2011 Share Posted January 28, 2011 i have three beakers each have diff %of HCL .....how i can find that which one is 30%of HCl, which one is 200%of HCl and which one is 10%of HCl. plz help me to find it my basic aim is to find the HCL % Link to comment Share on other sites More sharing options...
mississippichem Posted January 28, 2011 Share Posted January 28, 2011 Have you ever done an acid/base titration before? Link to comment Share on other sites More sharing options...
deepk` Posted January 30, 2011 Author Share Posted January 30, 2011 no Link to comment Share on other sites More sharing options...
hypervalent_iodine Posted January 30, 2011 Share Posted January 30, 2011 acid base titrations are a fairly simple tool you can use to tell the molarity of a HCl solution. There are plenty of articles online that can walk you through it. Here are a few: http://en.wikipedia.org/wiki/Acid-base_titration Link to comment Share on other sites More sharing options...
Horza2002 Posted January 30, 2011 Share Posted January 30, 2011 Titration will be your best option. While they can be a little fiddley to do at first, you will soon get the hang on it and you'l be fine. The important thing is to be as accurate as you can...the more accurate you are, the better results you get (i.e. get the conentration of acid closer to whats its supposed to be!) Remember also, that you only ever need a very small amount of whichever indicator your going to use....if you use too much, then it is often very difficult to see the exact point at which the titration is complet. Link to comment Share on other sites More sharing options...
John Cuthber Posted January 30, 2011 Share Posted January 30, 2011 I presume the 200% should be 20% I would measure the density of the three liquids. In this case (as with may others) the denser solution will have the higher concentration. It's quick, easy and non-destructive. Link to comment Share on other sites More sharing options...
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