Asked by Peter

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?
Answered by bobpursley
concHCL= 3* conc NaOH
concNaOH= 1/3 *.1M
Answered by Peter
Im sorry can you explain that? So is the concentration of NaOH .03?
Answered by bobpursley
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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