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Express the result of the analysis as the percentage of chlorine contained in the sample as received for analysis.
Calculate the percentage of chlorine (Cl) content from the formula:
No math image to display
where:
T is the molarity of silver nitrate solution used;
V4 is the result, in ml, of the blank test (5.2);
V5 is the value, in ml, of Veq corresponding to the determination (5.4);
m is the mass, in grams, of the test portion.
Volume of the silver nitrate solution V | Potential E | Δ1E | Δ2E |
---|---|---|---|
ml | mv | ||
4.80 | 176 | ||
35 | |||
4.90 | 211 | + 37 | |
72 | |||
5.00 | 283 | − 49 | |
23 | |||
5.10 | 306 | − 10 | |
13 | |||
5.20 | 319 |
No math image to display
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