postlab9 - Sam Eichenblatt Chem 1310 A2 Lab 9 Topics 1) The...

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Sam Eichenblatt Chem 1310 A2 Lab 9 Topics 1) The strongest acid, with no surprise was the toilet bowl cleaner. The pH of this house hold item was a consistent 1 with every test taken. The strongest base was the ammonia. The two tests had pHs of 11 and 12. The paper indicator usually showed a lower pH than the liquid indicator, but there were a few cases where it was higher. 2) In the acid and base strength experiment HCl was the strong acid and Acetic acid was the weak acid. This is showed by the percent dissociation. HCl produces more H+ ions when it is put in water therefore making it more acidic. While in the bases the NaOH was the strong base and NH4OH was the weak base. This is shown in the percent dissociation of OH-. NaOH consistently had a higher percent dissociation than NH4OH. 3) My Ka values were different than the literature values. The error could have occurred because the pH sensor was not washed off thoroughly or because the beaker was not washed out completely 4) pH indicators are selected based on whether they change colors accurately when there are
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postlab9 - Sam Eichenblatt Chem 1310 A2 Lab 9 Topics 1) The...

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