37. The dependence of the specific electrical conductivity of sodium hydroxide solutions on concentration is expressed as follows:
Cn, mol/l 0.0005 0.0010 0.0015 0.0020 0.0025
æ, Sm•m–1 0.01220 0.02429 0.03632 0.04829 0.06022
How many milligrams of NaOH are there in 100 ml of a solution whose resistivity is 50 ohm•m?

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