# If I have the pH and volume of 2 solutions, and the target pH of a combination of them, how do I calculate how much...

If I have the pH and volume of 2 solutions, and the target pH of a combination of them, how do I calculate how much I need?

If I have the pH and volume of 2 solutions, and the target pH of a combination of them, how do I calculate how much I need?

active| newest | oldestIf an approximate solution (no pun intended) is desired, the nature of the two solutions must be known; i.e., are they strong acids or weak acids?

Best of luck -- Prfesser

Substance A has a pH of 2.5. Substance B has a pH of 6.6 and has 1.892L. How much of Substance A should I add to reach 5.5?

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