CHEM 112 Lecture Notes - Lecture 2: Ph Meter, Ph Indicator, Ph
Document Summary
Ph indicator dye changes colour because it is a weak acid which changes colour when converted to its conjugated base. Ph indicator paper paper impregnated with indicator dyes which exhibit a range of colours. Ph meter this device measures the h3o+ concentration electrochemically using a voltmeter between two electrodes placed in the solution. Long(. 0765)= 1. 12
