49. Решение задачи по химии №8

101. Based on the results of measurements of the specific electrical conductivity (ae) of the treated wastewater of the Baikal Pulp and Paper Mill and the values ​​of the concentrations of dry substances contained in it:
Cdry substance, mg/dm3 510 515 520 530 540 550 560 570 580
ae, μS/cm 836 844 852 869 885 902 918 934 951
plot a calibration graph and determine the concentration of dry substances (mg/dm3) in the analyzed sample, the electrical conductivity of which is 890 μS/cm, provided that all electrical conductivity measurements were carried out under the same conditions on a conductometer with automatic temperature compensation.

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