Question

NH4Cl, Li2CO3, Ca(NO3)2, KCl, Mg(NO3)2, Na2CO3, CaF2, Zn(NO3)2, CuSO4, NaCl, KNO3, LiF, NH4Br, CaCO3, NaF, Pb(NO3)2, NaOAc3, LiCl, BeCl2

Using the above list of possibilities, answer the last row for #2 and #3

Part B: Reactions of Salts with Water Action Unknowns Unknown number # 1 # 2 #3 Molar mass of unknown solid shown on label Miss Igl of unknown necessary to make it 0.10 M solution Color of unknown solid 53.499/mol 105.99 9/mol 159.60 s/mol O.Il grams 0.21 grams 0.32 grams White White White/Blue Colorless Colorless Blue 6.63 9.51 3.29 Acidic Basic | Acidic Color of unknown solution Measured pll of 0.10 M solution of unknown solid Designate if Acidic, Basic, or Neutral solution produced by hydrolysis of unknow'il solid 1 ,0 MHz Using the list of possibilities from NHLCI Part B of Procedure “Reactions of Sales with Water", list as many unknown compounds that may tic NH4+H200 the designarun of Acidic, Basic, or Neutral. In each compound, cicle the ion responsible for making the solucion Acidic or Basic. Acidic * 53.499 x _0.10 Dorot x 0.02 K = 0.11 grams pool 0.10 moi - X 0.02L = 0.2 I grams mol # 2: 105.999-- *3- 159.409 x 0.10 ml x 0.024 = 0-32 grams mol L 240 Chapter 18 H Study chl.rdd 240 2008:13 10:24 -'M

Answer 1

Na2CO3 Na2CO3 + 2H20 - - 2NaOH + H2CO3 ___Basic H2SO4 + Cu(OH)2 7 I (3) causou +420 Vacidic Ll which + H2O HCl + NHLOH Geid