- HC3H3O2

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gemstar

August 30th, 2006 22:01

HC3H3O2

Subject: HC3H3O2

Is this: Acrylic Acid?
Is it: Strong Acid or Weak Acid
What is the pH?
How is pH determined?

logeshchem

August 30th, 2006 23:49

Acrylic acid and pH.

Your molecular formula for acrylic acid is correct. It's an acid with a pKa of 4.25, which is between the pKa of succinic and benzoic acids. It's relatively a weak acid.

pH is nothing but hydrogen ion concentration in a solution.
pH = -log[H+].

There are many methods available to determine pH; of which pH meter is one. There are pH papers available that can be used to monitor change in pH during a chemical reaction.

Thanks.

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