在相同温度下,纯水或0.1 mol·L-1HCl或0.1 mol·L-1NaOH溶液中,水的离子积都相同。
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弱电解质的解离度随弱电解质浓度的降低而增大。
A. 对
B. 错
At first, Baker thought Mr. Fleagle’s English course was ___________.
A. interesting
B. dull
C. hopeful
D. attractive
In Baker’s opinion, the title of the composition “What I Did on My Summer Vacation” was _________.
A. dull
B. unfruitful
C. difficult
D. foolish and dull
Baker liked to write a composition with the title “The Art of Eating Spaghetti” because __________.
A. neither Baker nor Doris had ever eaten spaghetti before
Baker and Doris argued about it at a supper
C. spaghetti was from Italy and quite new then
D. it reminded him of the pleasure of that evening