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常温常压下,饱和氯水中氯气总浓度约为 0.09 mol·L - 1 且存在可逆反应: Cl 2 + H 2 O HCl+HClO。实验测得约有三分之一的氯气与水发生了反应。又知电离平衡常数K(HClO)=3×10 - 8 ; K 1 (H 2 CO 3 )=4.4×10 - 7 , K 2 (H 2 CO 3 )=4.7×10 - 11 。 (1)向氯水中加入少量NaOH固体,可逆反应向________(填“左”或“右”)移动,溶液中c(Cl - )________(填“减小”“增大”或“不变”) (2)反应Cl 2 + H 2 O HCl+HClO的平衡常数为________,向1 L此饱和氯水中加入足量AgNO 3 溶液,最多可得到 ________g AgCl。 (3)相同温度下,HClO、H 2 CO 3 、 HCO 3 - 三种微粒电离能力由强到弱的顺序为 ________________________________________________________________________, 若要使饱和氯水中 HClO浓度增加,可加(通)入下列物质中的________。 A.SO 2 B.Na 2 CO 3 C.HCl(g) D.NaHCO 3 (4)向NaClO溶液中通入CO 2 时反应的离子方程式为 ________________________________________________________________________。
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举一反三
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A.
Y
B.
N
C.
NG
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A.
变窄
B.
变宽
C.
不变
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A.
协议天球坐标系
B.
瞬时天球坐标系
C.
地心坐标系
D.
参心坐标系
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A.
32. Only when he failed ______ the stress he was under. A.he realized
B.
did he realize
C.
realized he
D.
he did realize
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A.
he then realized
B.
did he realize
C.
before he realized
D.
he realized
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A.
It was not until, that
B.
It is not until, when
C.
It is not until, then
D.
It was until, that
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A.
before
B.
when
C.
then
D.
that
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A.
红、蓝、紫
B.
红、黄、黑
C.
红、绿、蓝
D.
红、黄、蓝
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A.
he had hired the wrong person
B.
he could have done more for his company
C.
he had not managed his workforce well
D.
he must get rid of his gender bias
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A.
that; that
B.
that; which
C.
where; that
D.
where; which
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