Question 17 (5 points) Which of these solutions 0.1 m NaCl, 0.15 m glucose, 0.1 m...
Which of the following aqueous solutions would have the lowest vapor pressure? a) 0.15 m nacl b) 0.10 m mgcl2 c) 0.30 m ch3oh d) 0.10 m li3po4 explain to me why, please
answer 1-4 Which of the following (a-d) is TRUE regarding solid NaCl dissolving in water The attraction of the water to the ions in NaCl is through dipole-dipole IFs. Water is considered the solute and NaCl the solvent. The partially positive oxygen in water is attracted to the chloride ion. d. The process of separating the sodium ions from the chloride ions is endothermic. All of these statements are true. polar For the following solution, describe the deviation with respect...
Number 1a,1b,1c,1d 1. Given the following three aqueous solutions at 25°C and 1 atm I. 0.100 m NaNO3 II. 0.100 w glucose (C6H1200) III. 0.100 m CaCl2 I II III (Please CIRCLE your choice) (2.5 points) a) Which solution has the highest osmotic pressure? I II III (Please CIRCLE your choice) (2.5 points) b) Which solution has the lowest boiling point? I II III (Please CIRCLE your choice) (2.5 points) c) Which solution has the highest freezing point? I II...
23. The boiling points of the following aqueous solutions, from highest to lowest, are: 0.25 m glucose, C6H12O6 0.15 m CaCl2 0.20 m NH4NO3
Could you do 46 and 47 Thanks! Question 46 (1 point) Which of these aqueous solutions would be expected to have the lowest boiling point (least boiling point elevation)? 0.050 m K3PO4 0.15 m CaCl2 0.15 m C2H5OH O 0.050 m Al2(SO4)3 O 0.075 m K2SO4 Question 47 (1 point) Which of these aqueous solutions would be expected to have the highest boiling point? 0.075 m K2SO4 0.050 m Al2(SO4)3 0.100 m KCI O 0.100 m Na3PO4 0.200 m CH3OH
Consider the following four liquids and/or solutions. pure water a 0.3 m solution of glucose in water a 0.2 m solution of lithium bromide in water a 0.1 m solution of magnesium bromide in water Place the liquids and/or solutions in order of (a) lowest freezing point to highest freezing point (b) lowest boiling point to highest boiling point (c) lowest osmotic pressure to highest osmotic pressure
QUESTION 15 Which of the following aqueous solutions will have the LOWEST vapor pressure? , 0.20 m C6H12O6 O 0.20 m NaCl O 0.10 m CaCl2 ○ 0.40 m C2H3OH 0 0.20 in Na2SO4
Which of the following solutions would have the highest boiling point? 0.10 m NaCl 0.10 m CaCl2 0.10 m Na2SO4 0.10 m of sucrose (C12H11O22) 0.10 m Na3PO4
5. If you had 0.10 m solutions of each of the solutions in question #4, which would have: (hint, more ions cause bigger colligative properties, few particles in solution | K" ("C/m) Pure Solvents Water Ethanol Benzene | Ke rc/m ) 0.512 1.19 2.65 1.86 1.99 -5.12 will have a smaller colligative affect.) d. the highest vapor pressure? e. the lowest freezing point? a. the highest boiling point? b. the highest freezing point? c. the lowest osmotic pressure? 6. Calculate...
Which of the following solutions would have the lowest vapor pressure? Multiple Choice 0.1 M (NH4)2SO4 0.1 M Li3PO4 0.1 M MgCl2 0.1 M CH3OH