PH AND BUFFER QUESTION PLS HELP A student needs to make a buffer solution with a pH of 5.05 using acetic acid and sodium hydroxide starting with 100.0 mL of 0.37 M acetic acid. Calculate the number of moles of sodium hydroxide that should be added to achieve the desired pH.

If 4.8 moles of x and 3.4 moles of y react according to the reaction below, how many moles of the excess reactant will be left over at the end of the reaction? 3x + 2y “yields”/ x3y2. a. 1.7 mol y left over b. 1.6 mol x left over c. 0.2 mol y left over d. 0.1 mol x left over