Why it's c ? Explain with show work y( A 0.020 M aqueous solution containing which...
please explain why Which of the following aqueous solutions would have the highest osmotic pressure at 298 K? O 0.5 M (NH4)2SO4 O pure H20 O 1.5 M glucose (C6H1206) O 1M MgCl2 O 1M NaNO3
please explain #8 and #9. show all work. thank you 8. An antifreeze solution is prepared by adding 50.0 mL of ethylene glycol, C2H602 (density = 1.12 g/mL) to 50.0 g of water. Calculate the freezing point of this solution. 9. Which has the highest boiling point? (all solutions are in the same solvent) 1.0 M Co(NO3)2 2.0 M KCI 0.5 M C2H4O2
Which aqueous solution will have the lowest osmotic pressure? A. 0.04 M MgCl2 B. 0.05 M KBr C. 0.1 M LiCl D. 0.2 M Na2SO4
Explain your answer? there are 0.100 m solutions of the following solutes: KCIO4 b. Ca(ClO4)2 is 3 c. Al(ClO4)3 izu d. Sucrose 21 2 a. NaCl 2 e. Which of solution will have the highest vapor pressure? CX Which solution will have the lowest freezing point? C Which solution will have the lowest boiling point? A T Which solution will have the highest osmotic pressure? there are 0.100 m solutions of the following solutes: KCIO4 b. Ca(ClO4)2 is 3 c....
please explain why the other options don't work A1 M solution of which of the following salts has the highest pH? (A) NaNO3 (B) Na2CO3 (C) NH4C1 (D) NaHSO4 (E) Na2SO4
Membrane Separation II Reverse Osmosis (a) Derive van't Hoff's equation (osmotic pressure π-CRT). (b) A feed solution containing 5g NaCl/L (ρ-1001kg/m3) is purified using a reverse osmosis system. Water permeability constant (Aw) and a solute (NaCI) permeability constant (As) are 5 x 10 kg/m2s atm, and 4 x 10-7m/s, respectively. AP 30 atm. Assume that the fraction recovered of the solvent water is 0.15. The flow rate q2 of the permeate water solution is 50 L/min. Calculate ci and c2...
An aqueous solution of Na2CrO4 at 25°C is slowly added to an aqueous solution containing 0.001 M Pb(NO3)2and 0.100 M Ba(NO3)2. Which solid will precipitate first? The Ksp of BaCrO4 is 1.17 x 10-10, and Ksp of PbCrO4 is 2.80 x 10-13 O BaCrO4(s) O NaNO3(s) O PbCrO4(s) Pb(NO3)2(s)
7. You need to prepare 250 mL of a 0.300 M aqueous solution of sucrose, C H20 (aq), which is used frequently in biological experiments. (pts each) A. Which type of glassware should you use to make this solution (assuming that the accuracy of the concentration is important)? 250ml B. What mass of sucrose would you use? Show work C. How should the solute and solvent be mixed in the container? a. Add solute and fill solvent to 250 mark?...
will you show me how to do #18? ) Of the following substances, an aqueous solution of NH4CI Cu(NO3)2 K2CO3 NaF will form basic solutions. A) NH4CI, Cu(NO3)2 D) NaF, K2CO3 B) K2CO3, NH4CI E) NH4CI only C) NaF only Answer: D 17) A 0.1 M aqueous solution of NaOCI KCI NH4CI Ca(OAc)2 will have a pH of 7.0 at 25.0°C. A) NaOCI D) Ca(OAc)2 B) KCI E) KCI and NH4C C) NH4C Answer: B 18) What is the pH...
can someone please fo through the steps? 2. Circle the solution with the highest concentration. Show your calculation to determine the molarity of each solution (you may not need all provided information). (15 points) Solution Molarity (M) Calculation: 35 mt aqueous solution containing 2.6 grams of KCI (solution density = 1.05 g/mL) 0.500 L aqueous solution containing 263 grams CaBrz (solution density = 1.11 g/mL) 154 mmoles (NH4)2SO4 in 48 ml of an aqueous solution (solution density = 1.03 g/mL)...