Question: Devons laboratory is out of material to make phosphate buffer. He is considering using sulfate to make a buffer instead. The pKa values for the

Devons laboratory is out of material to make phosphate buffer. He is considering using sulfate to make a buffer instead. The pKa values for the two hydrogens in H2SO4 are 10 and 2.

What is the optimal pH for sulfatebased buffers? Enter your answer as a whole number.

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