Acids and Bases Ø The degree of acidity or alkalinity (basic) is important in organisms Ø The force of attraction between molecules is so strong that the oxygen atom of one molecule can actually remove the hydrogen from other water molecules; called Dissociation Ø H 2 0-----GOES TO----- H + + OH-Ø OH-called hydroxide ion; H + called hydrogen ion Ø Free H + ion can react with another water molecule to form H 3 O + (hydronium ion) Ø Acidity or alkalinity is a measure of the relative amount of H + and OH-ions dissolved in a solution Ø Neutral solutions have an equal number of H + and OH
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This note was uploaded on 11/22/2011 for the course CHEMISTRY CHM1025 taught by Professor Laurachoudry during the Fall '10 term at Broward College.