Potentiometric assay for hydrogenocarbonate in natural waters
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Potentiometry is often used for the determination of hydrogenocarbonate in natural water samples. In this exercise, a volume V of the titrant HCl is required for the potentiometric analysis of the mentioned species in 50 mL of water sample. The titrant concentration is M molar. The user should calculate the concentration of hydrogenocarbonate and express it either in mg/L or in g/L of calcium carbonate by building up the corresponding stoichiometric expressions. All results entered in the system are checked for accuracy and correct significant figures.