To find out which brand of vinegar is cheaper

The first 200 words of this essay...

Experiment 6

AIM: To find out which brand of vinegar is cheaper.

PROCEDURE:

1. 25cm3 of vinegar was pipetted to a 250 cm3 volumetric flask.

2. The volumetric flask was filled to 250 cm3 with water..

3. 25 cm3 of solution in the flask was pipetted to a conical flask.

4. 2,3 drop of phenolphthalein was added.

5. The burette was filled with 0.10M sodium hydroxide solution..

6. Solution in the conical flask was titrated against the sodium hydroxide solution.

7. The result was recorded.

RESULT:

BRAND A

Brand Name:

Narcissus-Rice Vinegar

Price:

$3.6

Volume:

250ml

rough

1

2

3

Initial volume cm3

1.4

6.8

0.5

4.75

Final volume cm3

27.85

33.35

27.15

31.2

Net volume cm3

26.45

26.55

26.65

26.45

Mean volume:26.55 cm3

BRAND B

Brand Name:

Heinz-distilled white vinegar

Price:

$7.6

Volume:

473ml

rough

1

2

3

Initial volume cm3

9.55

1.7

25

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