78. Solving a chemistry problem
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9. To determine the content of zinc oxide in the preparation, its sample weighing 0.1821 g was treated with 30.00 cm3 of a 0.1 N solution of potassium hexacyanoferrate (II). For titration of the solution over the precipitate, 23.75 cm3 of a 0.1 N solution of zinc sulfate were used with a correction factor of 1.010. What is the mass fraction of zinc oxide in the test preparation?
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- Content description 24,02 kB
- Updated on the site 09.11.2022
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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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