Creating a Function of 2 Variables

[Cyprian7]

Hello Everyone,


I would like to generate a function of two variables g(pH, T) where:

• pH is the Acid/Base measurement of a solution
• T is the temperature of the solution
• and g is the result in moles of the solution.

I have data sets and equations that for finding moles based on pH level, or f(pH), at specific temperatures 70, 140, 150, 212 [Degree F]. Each temperature set, is broken up into 3 pH equations (5-7pH, 7-8pH, and 8-12pH) for accurate curve-fitting.

Instead of having separate equations sets at f@70(pH), f@140(pH), f@150(pH), and f@212(pH), I would like to generate a single equation g(T, pH), where T can be any value between 70-212 and pH can be any value between 5-12.

The only thing I know about functions of two variables is how to use partial differentiation. That's my limit unfortunately =/


I would greatly appreciate if anyone can provide insight on how I may solve this problem. Thank you very much for your time. You guys are the best.