Question

2AgNO3 + Na2CrO4 to Ag2CrO4 + 2NaNO3. What mass of silver chromate is produced from 4.45 mol of silver nitrate?

Mexico Community Callege CHEM 1410-Fall19-COCHRAN> Activities and Due Dates> HW 8 O Assignment Score: 1447/1900 Resources Hint Check Answer Question 8 of 19 For the reaction 2 KI+ Pb(NO,)Pbl, +2 KNO how many grams of lead(II) nitrate, Pb(NO,). are needed to react completely with 41.3 g of potassium iodide, KI? 15 P O s /

Answer 1

2K15;t Pb(NO3)2 - Pb.1, + ZUNO 3 Males of k] = weight malce man = 41.3 166 0.248 mal I since 2 makes - to ot kl react_ of need a mal completely Pb(NO3)2 of Pb(NO3)2 mals - of to kI react needed 0.248= 0.124 mal completely. - mass of Pb(NO3)₂ = - moly x maler mes 0.124 X 331-2 41:2 gm - 2 AgNO₃ + Na, Croy - Ag Croy it 2 NG NO 3. 2 mal os AgNO3 produced 1 mal as Agz croy 14.45 mal os Agoroz produad 4.45 mal os Agz croy ni = 2.225 mal of Agacron Man of Ag, Croy = = mals x maler mass 2.225 X 331.73 738 - 1