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8. A 1dm aqueous solution contains 6.78g of barium hydroxide, Ba(OH)2. What is the pH of the solution at 25°C?

8. A 1dm aqueous solution contains 6.78g of barium hydroxide, Ba(OH)2. What is the pH of the solution at 25°C?

Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter13: Acids And Bases
Section: Chapter Questions
Problem 9RQ: What is a salt? List some anions that behave as weak bases in water. List some anions that have no...
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10:31 ll 4G 4 FC304E Chemistry Strong Acids worksheet 1. Write the balanced reaction of hydroxide ion with hydrofluoric acid, HF, to for fluoride ion and water. Identify each species as either an acid or a base. 2. For the following reactions label each species as either an acid or a base. Indicate the species that are conjugates of one another. a) HSO, + NH, = so,? + NH, b) HPO,? + NH,* = H,PO, + NH3 e) Al(H,O),* + H,O= Al(H,0),OH²* + H,0* d) SO,2 + NH,* = HSO; + NH, 3. What are the concentrations of H,O* and OH in each of the following: a) 1.2 mol dm³ HBr b) 0.32 mol dm³ KOH e) 0.085 mol dm³ Ca(OH), d) 0.38 mol dm3 HNO, 4. The following are solution concentrations. Indicate whether each is acidic, neutral or basic: a) 5 x 106 mol dm3 H,O* b) 5 x 109 mol dm3 OH- c) 1 x 107 mol dm3 OH d) 2 x 109 mol dm3 H,O* 5. A solution of washing soda (sodium carbonate, Na,CO,) has a hydroxide ion concentration of 0.0040 mol dm3. What is the pH at 25°C? 6. A detergent solution has a pH of 11.63 at 25°C. What is the hydroxide ion concentration? 7. A 1dm³ aqueous solution contains 5.80g of sodium hydroxide, NaOH. What is the pH of the solution at 25°C? 8. A 1dm³ aqueous solution contains 6.78g of barium hydroxide, Ba(OH),. What is the pH of the solution at 25°C? Kaplan International Pathways 1 kaplanpathways.com A pathways.kaplaninternational.com
Transcribed Image Text:10:31 ll 4G 4 FC304E Chemistry Strong Acids worksheet 1. Write the balanced reaction of hydroxide ion with hydrofluoric acid, HF, to for fluoride ion and water. Identify each species as either an acid or a base. 2. For the following reactions label each species as either an acid or a base. Indicate the species that are conjugates of one another. a) HSO, + NH, = so,? + NH, b) HPO,? + NH,* = H,PO, + NH3 e) Al(H,O),* + H,O= Al(H,0),OH²* + H,0* d) SO,2 + NH,* = HSO; + NH, 3. What are the concentrations of H,O* and OH in each of the following: a) 1.2 mol dm³ HBr b) 0.32 mol dm³ KOH e) 0.085 mol dm³ Ca(OH), d) 0.38 mol dm3 HNO, 4. The following are solution concentrations. Indicate whether each is acidic, neutral or basic: a) 5 x 106 mol dm3 H,O* b) 5 x 109 mol dm3 OH- c) 1 x 107 mol dm3 OH d) 2 x 109 mol dm3 H,O* 5. A solution of washing soda (sodium carbonate, Na,CO,) has a hydroxide ion concentration of 0.0040 mol dm3. What is the pH at 25°C? 6. A detergent solution has a pH of 11.63 at 25°C. What is the hydroxide ion concentration? 7. A 1dm³ aqueous solution contains 5.80g of sodium hydroxide, NaOH. What is the pH of the solution at 25°C? 8. A 1dm³ aqueous solution contains 6.78g of barium hydroxide, Ba(OH),. What is the pH of the solution at 25°C? Kaplan International Pathways 1 kaplanpathways.com A pathways.kaplaninternational.com
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