Homework Answers
Buffer solution is obtained when a weak acid is mixed with its conjugate base or when a weak base is mixed with its conjugate acid.The correct answer is first option and explanation is given below
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Which of the following mixtures will be a buffer when dissolved in 1 L of water?...
which of the following mixtures will be a buffer when dissolved in 1L of water? A....
which of the following mixtures will be a buffer when dissolved in 1L of water? A. 0.2 mol of HBr and 0.1 mol NaOh B. 0.4 mol NH3 and 0.4 mol HCl C. 0.2 mol HC2H3O2 and 0.1 mol NaOH D. 0.3 mol KCl and 0.3 mol HCl E. 0.1 mol Ba(OH)2 and 0.2 mol HCl
Which of the following mixtures, when dissolved in 1.0 L of water, would function as a...
Which of the following mixtures, when dissolved in 1.0 L of water, would function as a buffer? 0.10 mol of sodium hydroxide (NaOH) and 0.10 mol of hydrochloric acid (HCl) 0.10 mol of ammonium chloride (NH4Cl) and 0.10 mol of ammonia (NH3) 0.10 mol of ammonium chloride (NH4Cl) and 0.10 mol of ammonium bromide (NH4Br) 0.10 mol of sodium chloride (NaCl) and 0.10 mol of ammonium chloride (NH4Cl) more than one of the above would be suitable buffers
Select any of the following combinations which would make a good buffer solution? O 0.3 M...
Select any of the following combinations which would make a good buffer solution? O 0.3 M HC2H302 + 0.1 M HCI 0.05 M H2CO3 + 0.05 M KHCO3 0.05 M KC2H302 0 0.1 M HCN + 0.2 M NaCN 0.2 M NaF + 0.2 M NaOH O 0.3 M NH4CI O 0.2 M NH3 + 0.1 M NH4Br O 0.3 M NH4Cl + 0.1 M HCI O 0.3 M NH4Cl + 0.1 M NH3 O 0.5 M HI + 0.5...
Select any of the following combinations which would make a good buffer solution? 0.3 M NH...
Select any of the following combinations which would make a good buffer solution? 0.3 M NH C1 + 0.1 M HCI 0 0.1 M HCN + 0.2 M NaCN 0.2 M NH3 + 0.1 M NH4Br 0.3 M HC2H302 +0.1 M HCI 0.05 M KC2H302 0.2 M NaF + 0.2 M NaOH 0.5 M HI + 0.5 M RbI 0.05 M HC2H302 (acetic acid) + 0.05 M KC2H302 0.3 M NaNO3 + 0.2 M NaOH 0.05 M H2CO3 + 0.05...
Which of the following pairs create a buffer when they are mixed in water? HC2H302 and...
Which of the following pairs create a buffer when they are mixed in water? HC2H302 and NaC2H302 HCl and NH3 HF and HCI NaOH and NH3
Which one of the following mixtures will act as a buffer? 0.1 mol of CH3NH2 and...
Which one of the following mixtures will act as a buffer? 0.1 mol of CH3NH2 and 0.5 mol NaOH 0.5 mol of HCl and 0.5 mol of NaOH 0.50 mol of NH3 and 0.25 mol of NaOH 0.5 mol of HF and 0.25 mol of NaOH 0.50 mol of NH3 and 0.50 mol of HCl
12. Which of the following mixtures would result in a buffered solution when 1.0 L of...
12.
Which of the following mixtures would result in a buffered solution when 1.0 L of each of the two solutions are mixed? (Select all that apply.) 0.3 M HNO3 and 0.5 M NaNO 0.3 M HNO3 and 0.4 M NaOH 0.2 M HNO3 and 0.6 M HF 0.2 M HNO3 and 0.4 M NaF
1. Which of the following aqueous mixtures will result in a buffer? X. 0.20 mol CH3COOH...
1. Which of the following aqueous mixtures will result in a buffer? X. 0.20 mol CH3COOH + 0.10 mol CH3COONa in 1.00 L solution Y. 0.20 mol NaOH + 0.20 mol HCl in 1.00 L solution Z. 0.20 mol NH3 + 0.20 mol CH3COOH in 1.00 L solution O X, Y and Z O X only O Z only O X and Y O none of them O X and Z O Y and Z O Y only
4. Which of the following mixtures would result in buffered solutions when 1.0 L of each...
4. Which of the following mixtures would result in buffered solutions when 1.0 L of each of the two solutions is combined? Circle the letter of the appropriate response(s) d. 1.0 M NH3 and 1.0 M NH4 Cl e. 1.0 M NH3 and 0.50 M HCI f. 1.0 M HNO3 and 0.50 M NaOH a. 1.0 M HBr and 1.0 M NaBr b. 2.0 M HF and 1.0 M NaOH c. 1.0 M HF and 1.0 M NaOH
Question 3 4 pts Which of the following mixtures would result in a buffer situation. Select...
Question 3 4 pts Which of the following mixtures would result in a buffer situation. Select ALL correct answers. 100 mL 0.1 M HNO3 mixed with 50 mL 0.1 M NH3 100 mL 0.1 MHCIO4 mixed with 50 mL 0.1 M NH4CI 100 mL 0.1 MHCI mixed with 50 mL 0.1 M NH3 100 mL 0.1 MHF mixed with 50 mL 0.1 M NaOH 50 mL 0.05 M KOH mixed with 50 mL 0.1 M NH4Br 100 mL 0.2 MHCIO2...
Select any of the following combinations which would make a good buffer solution? O 0.3 M HC2H302 + 0.1 M HCI 0.05 M H2CO3 + 0.05 M KHCO3 0.05 M KC2H302 0 0.1 M HCN + 0.2 M NaCN 0.2 M NaF + 0.2 M NaOH O 0.3 M NH4CI O 0.2 M NH3 + 0.1 M NH4Br O 0.3 M NH4Cl + 0.1 M HCI O 0.3 M NH4Cl + 0.1 M NH3 O 0.5 M HI + 0.5...
Select any of the following combinations which would make a good buffer solution? 0.3 M NH C1 + 0.1 M HCI 0 0.1 M HCN + 0.2 M NaCN 0.2 M NH3 + 0.1 M NH4Br 0.3 M HC2H302 +0.1 M HCI 0.05 M KC2H302 0.2 M NaF + 0.2 M NaOH 0.5 M HI + 0.5 M RbI 0.05 M HC2H302 (acetic acid) + 0.05 M KC2H302 0.3 M NaNO3 + 0.2 M NaOH 0.05 M H2CO3 + 0.05...
Which of the following pairs create a buffer when they are mixed in water? HC2H302 and NaC2H302 HCl and NH3 HF and HCI NaOH and NH3
12.
Which of the following mixtures would result in a buffered solution when 1.0 L of each of the two solutions are mixed? (Select all that apply.) 0.3 M HNO3 and 0.5 M NaNO 0.3 M HNO3 and 0.4 M NaOH 0.2 M HNO3 and 0.6 M HF 0.2 M HNO3 and 0.4 M NaF
1. Which of the following aqueous mixtures will result in a buffer? X. 0.20 mol CH3COOH + 0.10 mol CH3COONa in 1.00 L solution Y. 0.20 mol NaOH + 0.20 mol HCl in 1.00 L solution Z. 0.20 mol NH3 + 0.20 mol CH3COOH in 1.00 L solution O X, Y and Z O X only O Z only O X and Y O none of them O X and Z O Y and Z O Y only
4. Which of the following mixtures would result in buffered solutions when 1.0 L of each of the two solutions is combined? Circle the letter of the appropriate response(s) d. 1.0 M NH3 and 1.0 M NH4 Cl e. 1.0 M NH3 and 0.50 M HCI f. 1.0 M HNO3 and 0.50 M NaOH a. 1.0 M HBr and 1.0 M NaBr b. 2.0 M HF and 1.0 M NaOH c. 1.0 M HF and 1.0 M NaOH
Question 3 4 pts Which of the following mixtures would result in a buffer situation. Select ALL correct answers. 100 mL 0.1 M HNO3 mixed with 50 mL 0.1 M NH3 100 mL 0.1 MHCIO4 mixed with 50 mL 0.1 M NH4CI 100 mL 0.1 MHCI mixed with 50 mL 0.1 M NH3 100 mL 0.1 MHF mixed with 50 mL 0.1 M NaOH 50 mL 0.05 M KOH mixed with 50 mL 0.1 M NH4Br 100 mL 0.2 MHCIO2...
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