27. Solving a chemistry problem
28. How many milliliters of ammonia (density 0.980 g / cm3) will be required for the quantitative precipitation of iron if 0.2 g of iron spar (FeCO3) containing 30% iron was taken to prepare the solution?
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.
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