46. Solving a chemistry problem

46. Solving a chemistry problem

1. To determine the authenticity to the salt solution: a) add a solution of Na3[Co(NO2)6], observe the formation of a yellow precipitate; b) Pb(CH3COO)2 solution was added, a yellow precipitate was obtained. Write the formula of the analyte, the chemistry of the reactions carried out and the method of carrying out.

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