Ab
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1. Complete the table below using the appropriate calculations. Concentra Acidity/Basicity Solutions tion [H+] [OH-] pH pOH (M) HBr 0.050 HClO3 3.3 x 10-3 Ba(OH)2 0.035 HNO3 1.43 KOH 1.46
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A particular sample of vinegar has a pH of 2.90. Assuming that acetic acid is the only acid that vinegar contains (KA = 1.8 x 10-5), calculate the initial concentration of acetic acid in the vinegar. What is the pH of the resulting solution when 0.500 moles of CCl3COOH are dissolved in water and diluted to 1.00 L? Ka = 1.3x10-1 at 25oC. What is the pH of the resulting solution when 250.0 mL of a 0.300 M solution of ammonia added to 750.0 mL of water? Kb = 1.8x10-5 at 25oC. Calculate Kb for CH3NH2 if a solution prepared by dissolving 0.100 moles of CH3NH2 in 1.00 L of water has a measured pH of 11.80.
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A particular sample of vinegar has a pH of 2.90. Assuming that acetic acid is the only acid that vinegar contains (KA = 1.8 x 10-5), calculate the initial concentration of acetic acid in the vinegar. What is the pH of the resulting solution when 0.500 moles of CCl3COOH are dissolved in water and diluted to 1.00 L? Ka = 1.3x10-1 at 25oC. What is the pH of the resulting solution when 250.0 mL of a 0.300 M solution of ammonia added to 750.0 mL of water? Kb = 1.8x10-5 at 25oC. Calculate Kb for CH3NH2 if a solution prepared by dissolving 0.100 moles of CH3NH2 in 1.00 L of water has a measured pH of 11.80.
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