1- calculate [h30*] in a solution that is at 25°c and has [oh] = 6.7x 10-2 m. is the solution neutral, acidic, or basic? 2- a solution of naoh has a ph of 9.52. what is its p oh, [h30*]], and [oh] at 25°c? which member of each pair is the stronger acid or base? 3- (a) hcio or hcio3 (b) hci or ch3cooh (c) naoh or ch3nh2 4- identify the conjugate acid-base pairs: ch2coo-(aq) + h30* (aq) (a) ch3cooh (aq) + h20(i) hf(aq) он-(ад) (b) h20 (i)+ f-(aq) + 5- explain with balanced equations, in which you show the net direction of the reaction, each of the following observations: (a) you smell ammonia when nh3 dissolves in water. (b) the odor goes away when you add an excess of hci to the solution in part a (c) the odor returns when you add an excess of naoh to the solution in part