Alkalinity - Michigan State University

Calculation. Phenolphthalein Alkalinity = Amount of acid used to reach pH 8.3 (ml) * Normality of acid (eq/L) * 100,000 (mg CaCO3/eq) / sample volume (ml) Where Normality = Molarity (moles/L) * the number of hydrogen exchanged in a reaction (eq/moles) Ex. 2.0ml of 0.01M of sulfuric acid was required to titrate 50ml of your sample to pH 8.3. ................
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