1. Does the pH increase, decrease or remain the same on theaddition of the of the following?
a.) LiF to an HF solution b.)KI to an HI solution c.)NH4Cl to anNH3 solution d.) HBr to an CH3COO-/CH3COOH (acetic acid/acetatebuffer) solution
2. Which of the following (select all thatapply) gives a buffer solution when equal volumes of thetwo solutions are mixed?
| a.) | | 0.10 M NH3 and 0.10 M NH4Cl |
| b.) | | 0.10 M NH3 and 0.10 M NaOH |
| c.) | | 0.10 M NH4Cl and 0.10 M NaOH |
| d.) | | 0.50 M NH4Cl and 0.25 M NOH |
