209. According to table 7, calculate the required amount of initial solution for preparing a solution of a given volume and concentration. Table 7
№ initial solution and its characteristics prepare
substance mol-equiv normality titer, g/cm3 density (% content) volume, cm3 normality titer, g/cm3 density (% content)
209 KMnO4 31.61 0.0006200 1000 0.0003100
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