A sample of pure potassium chloride was analyzed for chloride ion (Cl⁻) with the following results: 47.24, 47.08, 47.31, 47.42, 47.29, and 47.38. Calculate the standard deviation and percentage relative standard deviation.
University of Ilorin CHM107 2023A past question
- 0.19 and 0.40%
- 0.12 and 0.25%
- 0.13 and 0.27%
- 0.15 and 0.30%
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