78. A portion of 5 g of industrial common salt was dissolved in water, the solution was diluted in a volumetric flask to 1000 ml. For titration of 20 ml of the resulting solution, 27.88 ml of a 0.05 N AgNO3 solution were used. How much NaCl (in %) is in the sample?
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.
No feedback yet