19. Решение задачи по химии №001 938
243. When determining the content of acetone impurities in water, the following values of the refractive indices of standard solutions were obtained:
Acetone content, % 60 50 40 30 20 10 0
n 1.3665 1.3610 1.3550 1.3485 1.3410 1.3340 1.3332
Build a calibration curve and determine the percentage of acetone at n = 1.3450. Calculate the refractive index F from the graph.
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