Ph indicator strips work by changing color in the presence of solutions with varied ph values. thinking about your procedure steps and results in part 1, why do you think the ph of the unknown weak acid was not determined with ph indicator strips until part 2?

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11-11-2017
Chemistry

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Ph indicator strips work by changing color in the presence of solutions with varied ph values. thinking about your procedure steps and results in part 1, why do you think the ph of the unknown weak acid was not determined with ph indicator strips until part 2?

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meerkat18 meerkat18 · Answer 1 · 2017-11-24T12:42:24+01:00

This instrumentation is used to calculate the amount of unknown acid by measuring the amount of base it takes to neutralize the acid. To know if the solution has been neutralize there are two major ways. The first uses a pH meter in the beaker. The second uses an indicator. With this we can infer that the second method is much more detailed than the second one, that’s maybe why the pH of an unknown weak acid wasn’t determined not until the second method.