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)?
A solution containing 0.11 kg of Ba(NO3)2 in 0.1 kg of water boils at 100.46C calculate...
3. Barium hydroxide Ba(OH)2 was dissolved in pure water at 5 Cuntil a saturated solution was obtained. The pH of this solution was found to be 12.25. a) (2 marks) What is the molar solubility of Ba(OH), in pure water at this temperature? Express your answer in mol/L. Show your work. b) (1 mark) What is the Kp of Ba(OH)2 at this temperature? Show your work. c) (0.5 marks) If Ba(OH)2 was added to a solution already containing 0.100 M...
Which of the following has the highest conductivity Pure Water 0.1 M Ba(OH)2 solution 0.5 M Ba(OH)2 solution Air Which conductivity point is the equivalence point of the reaction? H2SO4 +Ba(OH)2 à BaSO4 + 2 H2O The lowest conductivity point The highest conductivity point The start point None of above
What is a morality of a solution containing 6.8 g of Ba(NO3)2 in 250 mL of solution? show all intermediate calculations and answers, including molar mass calculation, unit conversion. Q2. Draw the energy diagram of an endothermic reaction. Make sure to label the X- axis with REACTION COORDINATE and the Y axis with ENERGY . clearly label your diagram with REACTANTS, PRODUCTS, TRANSITIO STATE, ENERGY OF ACTIVATION
4. Calculate the freezing point of a 0.5 m solution of calcium nitrate in water. Ca(NO₃)₂. (Kf = 1.86 °C kg/mol; Kb = 0.51 °C kg/mol)
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.
Ba(OH)2 was dissolved in pure water at 5 degree celsius until a saturated solution was obtained. the pH of this solution was found to be 12.25 a) what is the solubility of Ba(OH)2 in pure water at this temperature? answer in mol/L b) what is the Ksp of the Ba(OH)2 at this temperature?
A 25.00 mL solution of 0.03190 M Na2CO3 is titrated with 0.02660 M Ba(NO3)2 . Calculate pBa2+ following the addition of the given volumes of Ba(NO3)2 . The ?sp for BaCO3 is 5.0×10−9 . 15.50 mL pBa2+= ?ep Ba2+= 35.50 mL pBa2+
*Using Differential
Equations
3. A solution containing 0.2 kg/l of salt is pumped into a tank containing 51 of pure water at a rate of 317 min. If the well stirred mixture is pumped from the tank at the same rate of 31/min, how long does it take in minutes for the liquid in the tank to contain 0.5 kg of salt?
A 25.00 mL solution of 0.03220 M Na2CO3 is titrated with 0.02510 M Ba(NO3)2 . Calculate pBa2+ following the addition of the given volumes of Ba(NO3)2 . The ?sp for BaCO3 is 5.0×10−9 . 13.90 mLpBa2+= ?epBa2+= 37.40 mLpBa2+=
On the answer line below circle all the solutions with the equal solubility for Ba(NO3)2(s). Solution Water A) B) 3.0M HNO3 solution C) 0.5M Fe(NO3)3 solution D) 1.5M Ni(NO3)2 solution B С, D Answer: A,