Homework Help: chemistry

Posted by Peter on Thursday, April 22, 2010 at 11:26am.

If you wanted to standardize an approximately 0.1 M solution of hydrochloric acid by titrating 10.00 mL (delivered from a pipet)with approximately 30mL of sodium hydroxide solution (delivered from a buret), what should be the approximate concentration of the sodium hydroxide solution?

chemistry - bobpursley, Thursday, April 22, 2010 at 11:33am
concHCL= 3* conc NaOH
concNaOH= 1/3 *.1M
chemistry - Peter, Thursday, April 22, 2010 at 11:45am
Im sorry can you explain that? So is the concentration of NaOH .03?
chemistry - bobpursley, Thursday, April 22, 2010 at 11:48am
If you take three times as much NaOH as the volume of HCl, the NaOH must be 1/3 the concentration of the HCl.

Now, 1/3 of .1M is NOT .03M
It is closer to .033333M

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