AL chem Q.
2008-05-26 7:51 am
besides methyl orange and phenolphthalein, what indicators can also be used in titration between HCl and a mixture of Na2CO3 and NaHCO3.
回答 (2)
2008-05-27 6:14 am
✔ 最佳答案
litmus paper......
2008-05-26 8:46 am
methyl red, bromothymol blue, thymol blue, litmus, possibly congo red as well, because the experimental range should be around 3 to 11 which most of the indicators can be used.
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