题目内容：
欲配制500mLpH=5.0的缓冲溶液，应选择下列哪种混合溶液较为合适。（ ）
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答案解析：
单选题：欲配制500mLpH=5.0的缓冲溶液，应选择下列哪种混合溶液较为合适。（ ）
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- 题目类型：单选题
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