Quantity Your Data 1. Grams of vinegar sample used for your titration 25.000 g 2. Initial Buret Reading of Sodium Hydroxide solution 10.00 mL 3. Final Buret Reading of Sodium Hydroxide solution 28.00 mL 4. Amount of Sodium Hydroxide Solution used to neutralize the vinegar sample 5. Concentration of NaOH in the NaOH solution 0.050 g/mL 6. Grams of NaOH used to neutralize the vinegar 7. Grams of acetic neutralized by the amount of NaOH 8. Percent acetic acid in the vinegar Hints: For #4, The amount of NaOH used is the difference between the starting buret value and the ending buret value. For #6, Once you calculate the amount of sodium hydroxide used, multiple that value by the concentration of NaOH in the NaOH solution. For #7, Multiply the value obtained in number 6 by the number 1.5. Remember, we learned that every 1 gram of NaOH neutralizes 1.5 grams of acetic acid. For #8, Divide the grams of acetic acid by the grams of vinegar sample and multiply this value by 100 to get a percent. Question: How would your results be affected if acids other than acetic acid was present in your vinegar sample? Explain your answer.
Quantity
Your Data
1.
Grams of vinegar sample used for your titration
25.000 g
2.
Initial Buret Reading of Sodium Hydroxide solution
10.00 mL
3.
Final Buret Reading of Sodium Hydroxide solution
28.00 mL
4.
Amount of Sodium Hydroxide Solution used to neutralize the vinegar sample
5.
Concentration of NaOH in the NaOH solution
0.050 g/mL
6.
Grams of NaOH used to neutralize the vinegar
7.
Grams of acetic neutralized by the amount of NaOH
8.
Percent acetic acid in the vinegar
Hints: For #4, The amount of NaOH used is the difference between the starting buret value and the ending buret value.
For #6, Once you calculate the amount of sodium hydroxide used, multiple that value by the concentration of NaOH in the NaOH solution.
For #7, Multiply the value obtained in number 6 by the number 1.5. Remember, we learned that
every 1 gram of NaOH neutralizes 1.5 grams of acetic acid.
For #8, Divide the grams of acetic acid by the grams of vinegar sample and multiply this value by 100 to get a percent.
Question: How would your results be affected if acids other than acetic acid was present in your vinegar sample? Explain your answer.
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