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Use Table 1 to determine if the following equilibria will move left or right i. HF (aq) + NH3 (aq) = F¯ (aq) + NH4 + (aq) ii. HCO3¯ (aq) + SO4²- (aq) =CO3²- (aq) + HSO4 (aq)

Use Table 1 to determine if the following equilibria will move left or right i. HF (aq) + NH3 (aq) = F¯ (aq) + NH4 + (aq) ii. HCO3¯ (aq) + SO4²- (aq) =CO3²- (aq) + HSO4 (aq)

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Use Table 1 to determine if the following equilibria will move left or right i. HF (aq) + NH3 (aq) = F¯ (aq) + NH4 + (aq) ii. HCO3¯ (aq) + SO4²- (aq) =CO3²- (aq) + HSO4 (aq) table 1. Relative strengths for some conjugate acid-base pairs: ACID BASE 100% ionized in H₂O Acid strength increases Strong Weak HCI CIT H₂SO4 HSO4 HNO3 NO3 H3O+ (aq) H₂O HSO4 SO₂²- H3PO4 H₂PO4 HF F™ HC₂H30₂ C₂H₂O₂ H₂CO3 HCO3 HS H₂S H₂PO4 HPO4²- NH4+ NH3 HCO3 HPO ²- CO3²- PO4³- H₂O OH™ OH 0²- H₂ H™ CH4 CH3 Negligible Base strength increases Weak Strong 100% protonated in H₂O
Transcribed Image Text:Use Table 1 to determine if the following equilibria will move left or right i. HF (aq) + NH3 (aq) = F¯ (aq) + NH4 + (aq) ii. HCO3¯ (aq) + SO4²- (aq) =CO3²- (aq) + HSO4 (aq) table 1. Relative strengths for some conjugate acid-base pairs: ACID BASE 100% ionized in H₂O Acid strength increases Strong Weak HCI CIT H₂SO4 HSO4 HNO3 NO3 H3O+ (aq) H₂O HSO4 SO₂²- H3PO4 H₂PO4 HF F™ HC₂H30₂ C₂H₂O₂ H₂CO3 HCO3 HS H₂S H₂PO4 HPO4²- NH4+ NH3 HCO3 HPO ²- CO3²- PO4³- H₂O OH™ OH 0²- H₂ H™ CH4 CH3 Negligible Base strength increases Weak Strong 100% protonated in H₂O
b. How many grams of NH4Cl are needed to make 0.75 Make an NH4Cl (aq) solution at pH 5.00? (Kb = 1.8 × 10-5 for NH3) c. The osmotic pressure of a 0.100 M HA (aq) solution at 25.0 °C is 2.57 atm. Calculate: i. acid constant, Ka, to the monoprotic acid HA. ii. the base constant, Kb, to the conjugate base of HA.
Transcribed Image Text:b. How many grams of NH4Cl are needed to make 0.75 Make an NH4Cl (aq) solution at pH 5.00? (Kb = 1.8 × 10-5 for NH3) c. The osmotic pressure of a 0.100 M HA (aq) solution at 25.0 °C is 2.57 atm. Calculate: i. acid constant, Ka, to the monoprotic acid HA. ii. the base constant, Kb, to the conjugate base of HA.
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