Calculate the pH of a solution prepared by dissolving 0.250 mol ...

[SGallaher96]

Calculate the pH of a solution prepared by dissolving 0.250 mol of benzoic acid (C7H5O2H) and 0.150 mol of sodium benzoate (NaC7H5O2 ) in water sufficient to yield 1.00 L of solution. The Ka of benzoic acid is 6.50  10-5.
 
  A) 4.409
  B) 3.965
  C) 10.035
  D) 9.591
  E) 5.190

Question 2

The oxidation numbers of nitrogen in the nitride ion, hydrazine, ammonium cation, and nitrate ion are ________, ________, ________, and ________, respectively.
 
  A) -3, -2, -3, +5
  B) +3, -2, -3, +5
  C) +3, -2, +1, +3
  D) -3, +2, +1, +5
  E) -3, +2, -3, +3

Question 3

Of the following substances, only ________ has London dispersion forces as its only intermolecular force.
 
  A) CCl4
  B) SnF3
  C) CH3OH
  D) HI
  E) H2O

[samiel-sayed]

A FREE account is required to view all solutions! Click to Register

Login with Facebook Login with Google Login with Email

Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.

Answer Preview

Only 35% of students answer this correctly

[SGallaher96]

YES! Correct, THANKS for helping me on my review

[connor417]

Thanks for the timely response, appreciate it