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0731. Solving a chemistry problem
Content: 4.zip 33,35 kB
Product description
4. To obtain Co2[Fe(CN)6] hydrosol, 12 ml of CoCl solution with a concentration of 0.006 N and 10 ml of K4[Fe(CN)6] solution with a concentration of 0.01 N were used.
Specify:
- method and method for producing hydrosol
- name of the components of the micelle of a given sol
- ions that can be potential-determining in accordance with the Fayans-Peskov-Lipatov rule for a given sol (except for the micelles indicated in the formula)
- what changes will occur in the system when a significant amount of CoCl2 is introduced (draw potential distribution curves)
- in what ways can one determine the sign of the charge of a given colloidal particle?
- based on the results of a study of the process of electrolyte coagulation of the sol:
electrolyte NaCl CaCl2 AlCl3
Cck, mol-eq/l 0.47 8.8*10-3 6.0*10-4
check the applicability of the Schulze-Hardy rule.
Additional information
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