1. PbI₂ sol was obtained by mixing equal volumes of 0.007 N Pb(NO₃)₂ solution and 0.009 N NaI solution. Determine the sign of the charge of the sol particles and write the formula of the micelle. Determine the type of sol coagulation when adding electrolyte solutions: Pb(CH₃COO)₂ or (K₂SO₄)

If the file does not open for you, install the Rar archiver program. Inside the archive, the solution is in WORD format.