116. Solving a chemistry problem

116. Solving a chemistry problem

1. What volume of a solution of arsenic chloride with a molar concentration equivalent of 0.001 mol/l should be added to 0.02 l of hydrogen sulfide with a molar concentration equivalent of 0.003 mol/l so that the formation of the sol does not pass, but the precipitate of arsenic (III) sulfide precipitates?

Additional information:

If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.