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DR BOB help plz ?

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Methyl violet is an indicator that changes color over a range from PH = 0 to PH= 1.6. What is K(a) of methyl violet?


i tried 10^-0.8 = 0.16

but thts not right .. can u plz chk ...

Very close. Check the rounding and number of significant figures in your final answer.

  • chem -

    its okay i got it it shld be 0.2


  • DR BOB help plz ? -

    The pKa is 0.8

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