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23-09-2020
Chemistry

contestada

what are is the pH range of phenolphthalein and methyl orange

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23-09-2020

Answer:

The pH range of indicators

indicator pKind pH range

litmus 6.5 5 - 8

methyl orange 3.7 3.1 - 4.4

phenolphthalein 9.3 8.3 - 10.0

Explanation:

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