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hi,mynameisch.15
words and defs to chapter 15
| Question | Answer |
|---|---|
| a highly purified solid compound used to check the concentration of a known solution in a titration. | primary standard |
| the range in concentration over which a variation in a chemical indicator can be observed. | transition interval |
| a solution of known concentration, expressed in terms of the amount of solute in a given amount of solvent or solution. | standard solution |
| a value that is used to express the acidity or alkalinity of a system. | PH |
| a process in which 2 water molecules produce a hydronium ion and a hydroxide ion by transfer of a proton. | self ionization of water |
| the point at which the 2 solutions used in a titration are present in chemically equivalent amounts. | equivalence point |
| a sub that changes in color depending on the ph of the solution that the sub is in. | acid base indicator |
| a device used to determine the ph of a solution. | ph meter |
| a method to determine the concentration of a sub in solution by adding a solution of known volume and concentration until the reaction is completed. | titration |
| the point at which a marked color change takes place. | end point |
| the negative of the common logarithm of the hydroxide ion concentration of a solution | POH |
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pocketofdaisys123
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