【Daily Question】Chemical Analysis Version 2019.1.12

2019-01-12View Original

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This post was last edited by zjp on 2019-1-12 08:14. Multiple-choice question: The dual-indicator method is used to determine the contents of acid and base in refined salt water; if, at the first titration endpoint, the standard titrant solution is in excess. Then the correct statements are ( ). A. The measurement result for is on the high side. B. The measurement result for is on the low side. C. It only affects the measurement result of . D. It has no effect on the measurement results of and . AB

Reply #22019-01-12

A. The measurement result for is on the high side. B. The measurement result for is on the low side

Reply #32019-01-12

A. The measurement result for is on the high side. B. The measurement result for is on the low side

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【Daily Question】Chemical Analysis Version 2019.1.12

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