A) ionic strength= 0.5 summation CiZi^2
= 0.5*(0.02+0.03+0.02+0.03) = 0.05
B) ionic strength= 0.5*(0.02+0.03+0.03+0.01*2^2)
= 0.06
1. (20 point compute the ionic (a) 0.02m NaC (b) 0.01m K2SOA(ag)+ 0.03m KBr(a) ag)+ 0.03m...
Question 18 Which of the following forms a solution with a pH of 13.7? (1 point) 0.02M solution of NaOH 0.04M solution of Mg(OH)2 O 0.2M solution of HCI O 0.5M solution of NaOH Question 19 Which of the following forms a solution with a pH of 13? (1 point) O 0.01M solution of NaOH 0.03M solution of HCI 0.05M solution of Ba(OH)2 0.05M solution of NaOH
Part C. Solubility reactions Table 1 Precipitate Reactants Observation Net Ionic Equation AgNO3 + NaCl Ag+(aq) + Cl-(aq) → AgI N/A Solution KNOs +NaC remained clear No reactiorn Cu(NO3)2 +NaOH Ba(NO3)2+ NaOH Ba(NO3)2 + Na2SO4 color) Cas(PO4)2 Ca(NO3)2 +Na2CO3 CuCO3
Question 20 Which of the following forms a solution with a pH of 1.7? (1 point)* 0.02M solution of HCI O 0.02M solution of NaOH 0.5M solution of HCI O 0.8M solution of HNO3 Question 21 Which of the following represents a conjugate acid-base pair? (1 point) All of the above CH3COOH / CH3COO- CH3COOH/COO CH3COOH/NH3
4. (20 point) known reaction CaCla(g) Ca+2Cto) with AG CaCl2 aqueous solution, Y0.518, (a) compute Henry's constant (b) compute acaci2 (c) compute Pcaci2 80.54 KJ at 25 C, for a 0.1m
16) Write a balanced net ionic equation for the reaction of H2SO4iag) with Ba(OH)2(g) A) Ba2+(ag) + SO42-(a)- BaSO4) B) 2 H+(aq) SO42-(a) Ba2 (ag) +2 OH-(a)-BaSO4(0 2 H20) C) H2SO4(a) + Ba(OH)2(e) - BaSO40) 2 H20() D) H (ag) OH(ag)--H2O) 16) 17) Write a balanced net ionic equation for the reaction of Pb(NO3)2(ag) with Nal(ag). A) Pb2 (ag)+2 NO3-(4g) +2 Na+ (ag) +2 1-(a4)-- Pb2+(ag)+ 2 1-(a4)+ 2 Na (a) +2 NO3-(a) B) Pb2+(ag) 2 NO3-(a) + 2 Na...
1. Indicate if the following pairs would form a buffer: a. HBr and KBr: Yes or No b. HCHO and KCHO: Yes or No c. NH CI and NH: Yes or No d. NaOH and NaCl: Yes or No 2. Calculate the pH of a solution that is 0.250 M HCHO, and 0.342 M NaCHO, K = 4.0 x 10 3. Which of the following would be best to prepare a buffer solution with a pH of 1.25? a. HCHỊ0,...
write balanced molevular and ionic equations for each reaction that produced percipitation. Post Laboratory Questions 1. Write balanced molecular and ionic equations for each reaction that produced precipitation Compound Molecular Equation Net lonic Equation Ba NO3)2 Na₂504 BalNO3)2 Nach Ba(NO3)2 + rayCD3 | AgNO3 NaBr AgNO3 Ag Noz t NaBr Age Br + 2 Na NO3 AgNO3 + Na +2Br Agt Br + 2 Ag Br + 20 AgNO3 + NaOH - AgoH + Nanoz Agt +N05 + Mat toti...
Figure 2: Solution Conductivity As A Function of The Moles of Ionic Solid Added To The System. Point A Point B Point Ionic Solid 2 Conductivity Ionic Solid 1 Moles of lonic Solid Added Much of this should look at least somewhat familiar. Let's see how we are doing. Use Figure 2 and your knowledge of equilibrium theory to select all of the statements that are true about these two solids. At Point B, more of ionic solid 1 can...
Question 31 (1 point) d Write net ionic equations for the following precipitation reactions. 2Klag) t Pb(NO3)2laa) à Pbl26) 2KNO3?ag) 2(s)
by having you compute the net B at point A ,20 cm to the right of wire2 . The other types of source configuration generating magnetic fields are 2) Closely packed circular coil of N turns, 3) Long solenoid of N turns.