Chemistry, 09.11.2020 20:10 mikemofun9079

50 points Please show all your work.

Dr. Nancy is researching a substance. After placing a some drops of the substance in water, Dr. Nancy measured the pOH to be 8.38 at 25.0°C. The concentration of
the unknown substance is 6.78%

The density of the solution is 0.899 g/mL

The molar mass of the substance is
143.987 g/mol.

Determine the pka of the unknown solution ???

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