50. Решение задачи по химии №005 030

140. To build a calibration schedule during a refractometric determination of glycerin, the following volumes of water and glycerol were canceled and indicators of refractiveness of the resulting mixtures are determined:
Water volume, ml 10 8 6 4 2 0
Glycerin volume, ml 0 2 4 6 8 10
Refractive indicator 1.3330 1.3627 1.3915 1.4211 1.4484 1.4740
Build a calibration schedule for a refractometric determination of the glycerol content (in weight. %) In water, if the density of glycerol is 1.26. Determine the content of glycerol in mixtures, the refractive indicator of which is 1.4050 and 1.4580.

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