PL%20Worksheet%209

PL%20Worksheet%209 - 3 . 5. Solve for the pH of 1.00 M of...

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PL Worksheet #9 18.1 Acids and Bases in Water 1. Given the reaction below, if there is initially 0.500 M HBrO, solve for the concentration of H 3 O + at equilibrium. HBrO ( aq ) + H 2 O ( l ) H 3 O + ( aq ) + BrO ( aq ) K = 2.3 * 10 −9 2. The pH of a solution is defined as: pH = −log [H 3 O + ], solve for the pH of the solution in question 1 at equilibrium. 3. If the solution in question 1 began with 1.00 M of HBrO instead of the concentration given, what would the pH be? Strong acids are defined as acids that dissociate completely. That is, if you have 0.100 M of a strong acid, it would generate 0.100 M of [H 3 O + ] in solution. The strong acids are: HCl, HBr, HI, HNO 3 , H 2 SO 4 and HClO 4 . 4. Solve for the pH of 0.500 M of HNO
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Unformatted text preview: 3 . 5. Solve for the pH of 1.00 M of HNO 3 . 18.2 pH scale 6. Order the following solutions in terms of pH from smallest to largest: 1.00 M HNO 3 0.500 M HBrO 0.500 M HNO 3 1.00 M HBrO 7. Would you expect the solution with the lowest pH to be the most acidic or least acidic. Justify your answer by considering the molarity of H 3 O + in each solution. 8. A sample of 134.53 g of HClO 4 is dissolved in a swimming pool of 36,500 gallons. There are 0.264 gallons in each liter. Solve for the [H 3 O + ] and pH of the swimming pool. 9. Concentration hydrochloric acid is typically a solution of HCl with a molarity of 35. Solve for the pH of this solution....
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PL%20Worksheet%209 - 3 . 5. Solve for the pH of 1.00 M of...

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