80. Solving a chemistry problem
Seller: Derkach
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Product description
- What weight of zinc ore containing 15% Zn should be taken for analysis so that after dissolving and separating interfering impurities, zinc ions are titrated with 20 ml of 0.1 M EDTA solution? What is the relative error of weighing this sample on an analytical balance?
Additional information
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.