Question

The addition of 0.320 L of 1.37 M KCl to a solution containing Ag+ and Pb2+ ions is just enough to precipitate all of the ions as AgCl and PbCl2. The total mass of the resulting precipitate is 61.42 g. Find the mass of PbCl, and AgCl in the precipitate. mass of PbCl2: mass of AgCl:

Answer 1

Solution : Volume of 0.320L Solution 1.37m Conc af kaa molarity & moles of folute volume of solution (4) 0.320X 1.32 - moles of ka 0.4384 According to question, All chlorine ion used to precipitate for both py+ and pbt ion. Clan & Pg++ Pbta art Ag allt PbCl21 that means choline atoms are conserved. Mam het asumen won of ppt Agd-xgm man of Ppt Phel (61.42 -Uom moles of Ayel re 143.5 moles of PbCl₂ 61.42 -U 279

Porte on chlorine atom. in moles of ke 1 x moles of Ay cl & qx moles of Phely (6 1.42 - ) 1 х 0:438 Ч 2 x 14g 29 А) 1x Drug x 1934x224-2 24 x + 2xt43.4 (31.12 -х) 5) 2 х - 2991 - 19 622 - ч. (оч48ч худ (хя) г) % : 5:51 ч 55 х 1-18 9 % 4. ЧИ р Ang So, mass of Ayd: 9.44 gm МувK Pu, б)-98 gom