Absorbance values for five standard KMnO4 solutions were determined at a wavelength of 528 nm. The data are tabulated here.
Solute concentration(M) | A |
0.0500 | 0.172 |
0.100 | 0.310 |
0.150 | 0.502 |
0.200 | 0.680 |
0.250 | 0.822 |
The absorbance of a KMnO4 solution with unknown concentration, analyzed under the same conditions, was 0.550. Determine the concentration of the unknown solution. (See page 338.)
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