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Unformatted text preview: N/A N/A N/A 6 ammonia blue 11.86 1.38 x 10-12 7 oxi clean blue 8.95 1.12 x 10-9 8 .01 M HCl red 2.11 7.76 x 10-3 9 .01 M CH 3 COOH red 3.45 3.55 x 10-4 10 .1 M HCl red 1.18 6.61 x 10-2 11 .1 M CH 3 COOH red 2.81 1.55 x 10-3 Conclusion The purpose of this lab was to have the student determine the acidity and pH of different solutions. The use of litmus paper and a pH meter were practiced. The results of this lab are in the above chart. The hydrogen ion concentration of each of the solutions was found and recorded above as well. Possible sources of error would be not cleaning the sensors, not swirling the solution completely around the sensors, or not completely submerging the sensor in the solution. No data was discarded....
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- Fall '08