Chemistry, 30.08.2019 14:50 thebomb2023
Why is phenolphthalein not a good indicator to use for a titration that has a ph of 6.0 at the equivalence point?
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An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.
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Which compounds are the brønsted-lowry bases in this equilibrium: hc2o4– + h2bo3– h3bo3 + c2o42– ? a. h2bo3– and h3bo3 b. hc2o4– and h3bo3 c. hc2o4– and c2o42– d. h2bo3– and c2o42– e. hc2o4– and h2bo3–
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Why is phenolphthalein not a good indicator to use for a titration that has a ph of 6.0 at the equiv...
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