能使甲基橙呈黄色的是什么溶液
人气:382 ℃ 时间:2020-05-31 01:11:47
解答
甲基橙的显色范围pH为3.1-4.4,pH4.4的为黄色.pH7的为碱性溶液.所以,使甲基橙变黄色的可能为酸性,中性或碱性溶液.具体还要用pH试纸或pH计来测试后才知道.
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