Refer to aqueous solutions containing 1:1 mole ratios of the following pairs of
ID: 727258 • Letter: R
Question
Refer to aqueous solutions containing 1:1 mole ratios of the following pairs of substances. Assume all concentrations are 1M.(A) NaHSO4 and Na2SO4 [Ka NaHSO4 = 1.3X10^-2]
(B) Na2HPO4 and Na3PO4 [Ka Na2HPO4 = 4.8x10^-13]
(C) HCl and NaCl
(D) NaOH and NH3
(E) NH3 and HC2H3O2 (acetic acid)
____ The solution with the lowest pH
____ A buffer at a pH>8
____ A buffer at a pH<6
____ The solution which is nearest neutral
____ The solution with the highest pH
Thanks! I don't even know how to start!
Explanation / Answer
d)