Content: сульфид мышьяка.rar (19.73 KB)
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Calculate the concentrations of electrolytes that caused coagulation of 10.0 ml of arsenic sulfide sol As2S3 if, when the following volumes of electrolyte solutions (V) are added, their coagulation threshold y is as follows:
Electrolyte KNO3 Mg(NO3)2 Al(NO3)3
V, ml 12.5 0.9 0.8
y, mol/l 5.0 0.09 0.008
Determine the sign of the charge of the colloidal particle. Write the micelle formula of arsenic sulfide sol As2S3 obtained by passing hydrogen sulfide through a dilute solution of arsenic oxide As2O3.
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