Answer to Question #190652 in General Chemistry for Prince

Question #190652

How would you prepare 2x100 mL of 0.9 M of NaOH solution, starting from 5.01 M stock solution?


1
Expert's answer
2021-05-08T23:48:32-0400

Start by pipetting 10.0 ml of 5.01M hydrochloric acid (HC1) into a flask. Add approximately 50 ml of water (remember, not tap water) and three drops of methyl red indicator. Fill a 25 ml buret with the 0.1 N sodium hydroxide solution and record the initial volume. Titrate the hydrochloric acid to the point at which a lemon yellow color appears and stays constant. Record the final volume.


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