許
L Multiple
which ofthe following names and their formula:
(B) Hzso, sulfurous acid (C) Hcloa, perchlorie acid
) Which 9 the following factors,
(B) add NaoH _(c) aqd
staiwrong2 (A) Hzcos,suifure acid
(OD) HaPO4, phosphoric acid
2. The ionization of water HzO 二 H Gaq + OH Gao)
&ontchange the degree of dissociation? (A) add HCI
“water_(D) heating
The dissociation constamt Kw
ents is correct? (A) A80 Gi
OH=7, its ph<7
The qissociation of water is an endothermic reaction-
1.0x 1074at 25 寢.Which ofth e following statem'
raters pKw >14 (B) At65 C, ifsome aqueous solution's P'
POH<7 (D) At Cle 1 solution's poOH+pH>14
of B solution. Supposed the W ot局
solution is 3 larger them tt
(B) 102(C a+10” (D)
hats the [HYT] of Asolution? (A) 103
洪
nol rotic acid HA(M.W.=69) dissolves in50 gotwater,t
品 1.0 g/mL. if the freezing point ot this solutton
iven that be Kt 9 water is1.86 lm 『