Calculate the masses of (a) Ca(NO3)2 and, separately, (b) NaCl to add to a 0.150 mol/kg solution of KNO3 (aq) containing 500.0 g of solvent to raise its ionic strength to 0.20.
Calculate the masses of (a) Ca(NO3)2 and, separately, (b) NaCl to add to a 0.150 mol/kg...
21 Calculate the ionic strength and the mean activity coefficient of 1.00 mmol kg CaCl, (aq) at 25°C. Calculate the masses of (a) KNO, and, separately, (b) Ba(NO3), to add to a 0.110 mol kg solution of KNO, (aq) containing 500 g of solvent to sitionic strength to 100. b
Unbalanced Equations AgNO3 + NaCl -- AgCl + NaNO3 Ca(NO3)2 + Na2CO3 -- Caco; +NaNO3 Pb(NO3)2 +K Cro, PbCrO, KNO, FeCl3 + NaOH -- Fe(OH)3 + NaCl FeCl2 + Nas -- Fes + NaCl Initial Mass of NaCl og 20 g 40 g 60g Add AgNO3 Add 1 g Add 10 8 Total Mass of AgNO3 added: 0g Reset Experiment AgNO; NaCl AgCl NaNO; 0.08 0.0 g 0.0 g 0.0 g Redo the experiment by clicking on Reset Experiment. Add...
Consider an aqueous potassium nitrate solution of molality O 110 mol/kg, containing 500 g of solvent. Calculate the mass of calcium nitrate required to raise the ionic strength of the solution to 1 00. [6]
What is the molarity of NO?3 in each solution? 0.150 M KNO3. 0.220 M Ca(NO3)2 0.370 M Al(NO3)3.
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...
Calculate the ionic strength of a solution that is 0.040 mol kg-1 in K3[Fe(CN)6] (aq), 0.030 mol kg-1 in KCl (aq), and 0.050 mol kg-1 in NaBr (aq)
calculate the ph, ph=-log(AH+) of a 0.0200 M solution of Ca(NO3)2 to which 5.87 x10^-7 moles of HCL have been added per L of solution. Include ionic strength effects in this calculation and equilibrium constant.
A)A volume of 46.2 mL of a 0.568 M Ca(NO3)2 solution is mixed with 75.5 mL of a 1.496 M Ca(NO3)2 solution. Calculate the concentration of the final solution. Calculate the molarity of each of the following solutions. (b) 7.25 g of methanol (CH3OH) in × 102 mL of solution: mol/L (c) 9.68 g of calcium chloride (CaCl2) in 2.20 × 102 mL of solution: mol/L (d) 8.57 g of naphthalene (C10H8) in 85.2 mL of benzene solution: mol/L
A solution containing 0.11 kg of Ba(NO3)2 in 0.1 kg of water boils at 100.46C calculate the degree of ionization of the salt (kb-0.5 kg.C/mol)?
Calculate the boiling point (in oC) of a calcium nitrate (Ca(NO3)2; 164.1g/mol) solution with a concentration of 1.45 molarity. The solution has a density of 1.12 g/mL. Water has a boiling point elevation constant of 0.512 oC/m. (assume 1 atm total external pressure & idea behavior) my answer 101.8432 please explain and tell me where is my mistake