Titration Lab

Question: What effect does an forefingers pH range have on the end point of the titration of vinegar and 1.00 mol dm-3 of sodium hydroxide solution?
Equation: CH3COOH (aq) + NaOH (aq) NaCH3COO (aq) + HOH (l) 
Data Collection Table A: Table Representing the Initial al-Quran of NaOH in the burette, the Final pile of NaOH in the Burette and the Difference between Those Values for specific Trials When Using Different Indicators. There were a minimum of deuce-ace trials performed for this lab as there needed to be common chord of the same difference between the final and initial burette readings of the sodium hydroxide. This is due to the fact that a titration lab requires iodin to acquire three of the same values for this section to find the exact amount of base required to reach the final result of the reaction.
Indicator | Initial Volume of NaOH solution (ml) ±0.05| Final Volume of NaOH solution (ml) ±0.05| Difference Between the Final and Initial Burette Readings (Volume of NaOH used) (ml) ±0.1| Qualitative Observations |
Phenolphthalein | 0.0 0| 0.90| 0.9| The indicator is clear and transparent at first. However, when the base is added and the terminus has been reached, the color changes to a light pick apart. If over titration occurs, the solution will be a fluorescent pink color.|
| 0.90| 2.30| 1.4| |
| 2.



30| 3.20| 0.9| |
| 3.20| 4.10| 0.9| |
Bromothymol Blue | 8.00| 9.50| 1.5| The indicator is yellow at first. However, when the base is added and the endpoint has been reached, the color changes to olive green. If over titration occurs, the solution will be a dark blue shade.|
| 9.50| 11.10| 1.6| |
| 11.10| 12.90| 1.8| |
| 12.90| 14.40| 1.5| |
| 14.40| 15.90| 1.5| |
Methyl Orange | 15.90| 16.90| 1.0| The indicator is red at first when added to the acetic acid. However, when the base is added and the endpoint has been reached, the color changes to yellow. If over titration occurs, the solution will...If you want to get a full essay, order it on our website: Orderessay



If you want to get a full essay, wisit our page: write my essay .