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(单选题)在稀的砷酸溶液中,通入H2S以制备硫化砷溶胶(As2S3),该溶胶的稳定剂是H2S,则其胶团结构式是:( )

单选题
2021-09-01 19:38
A、[(A2S3)SH. nH+ (n-x)HS-]x-.xHS-
B、[(A2S3)SH. nHS- (n-x)H+]x-.xH+
C、[(A2S3)SH. nH+ (n-x)HS-]x+.xHS-
D、[(A2S3)SH. nHS- (n-x)H+]x+.xH+
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正确答案
B

试题解析

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