Question

PT 0 -005 1. You need to prepare 10.0 mL of diluted Cuso, solutions with the concentrations listed 15 for Trials 1 through 4 in the table below. Before coming to lab, determine what volumes of 0.040 M Cuso, stock solution and H.O need to be mixed together. Fill in the table with the volumes you determined. xod nooogor 0200.0 (o Jon o da olsa wont blude bolo Trial 0.040 MT HOT Diluted Number CuSO, Diw w Olsun (M) Ons salto 0.0050 DU asilidt god 2 0.010 20 D3 0.020 0.030 Soudtoda a 5 stock solution 0 0.0402 nooolloo simboboso (mL) Concentration (mL)

Answer 1

classmate Date Page Stock solution 0.040 M Cuso4 Let 100 ml bou each set hon leé bemade Thus, Voa 100 ml, Preparation of 100 ml 0:005M cuson: - Vis, a Vg Sg » V, X 0.04 = 100% 0.005 =>Vi= 10000.005/0.04= 1205 The 12.5ml 0.04M cusos (stock solution) and Cloo-12:5)= 87.5 ml too has to be added. Preparation of 100 ml 0.01M cusog! - ris,= voso =>u, xo.04 = 100x0001 » V,= (10oxo: 01/0.04=25 This, 25 ml 0.01 m uso 4 (stock solution) and (100-25= 75 ml Hoo has to be added. Preparation of loome 0.0214 Cusoa: - VIS,=Vos2 ²1X0.04=100x 0.02 yv,= (10080009/0.04= 50 Thus 50 ml stock soution and (100-150=5ome Ho has to be added. Тирана во» ор (от т. o o3 на 804 visi = VS2 vxo.04 = 1oox0.03 v = (1oox0.0 /0.04= 75 Thus 75 ml stock solution and (100-7) - 25 m 60 has to be added.