4. What is the purpose of obtaining sodium hexafluorosilicate in large quantities? What substances are required to obtain this product? Write the equations for the reactions that are carried out when obtaining Na2SiF6 from sand and fluorite. Calculate the masses of sand (98% SiO2) and fluorite (94% CaF2) required to produce one tonne of sodium hexafluorosilicate.

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