26. Решение задачи по химии №002 698

42. After processing a sample sample of double superphosphate 0.523 g and precipitation with a magnesia mixture, the precipitate was washed and calcined. The mass turned out to be 0.3840 g. Calculate the mass fraction of phosphorus and phosphorus anhydride 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.