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final titration burret made
several burrets were made prior to this one but this one is the one still used today. it is better because they made it with a clasp which they didnt have on previous burrets -
arrhenius theory published
arrhenius theory of acid and bases was published -
hasselbach equation invented
hasselbach used ph terminology to make put hendersons equation into logorithmic form -
Bronsted Lowry theory published
they publisheed there theory in 1923. It said that Bases accept protons and acisd donate protons -
lewis theory published
lewis theory of acid and bases published during the same year as bronsted lowry theory