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? 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...
aps 11. Which of the following solutions is NOT a buffer? a) 0.10 M NaF +0.05 M HF b) 0.10 M NH3 + 0.05 M NH4Cl c) 0.10 M KC2H302 +0.05 M HC2H302 d) 0.10 M NaCl + 0.05 M HCI
Which of the following combinations can be used to make a buffer? A) 0.20 M NH3 and 0.20 M HCI B) 0.20 M NH3 and 0.10 M NH4CI C) 0.20 M NH3 and 0.10 M HF D) 0.10 M NH4CI and 0.10 M NaF
Which of the following mixtures will be a buffer when dissolved in 1 L of water? 0.2 mol HC2H302 and 0.1 mol NaOH O 0.3 mol KCl and 0.3 mol HCI O 0.2 mol HBr and 0.1 mol NaOH 0.4 mol NH3 and 0.4 mol HCI O 0.1 mol Ba(OH)2 and 0.2 mol HCI
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...
QUESTION 5 Which of the following combinations cannot produce a buffer solution? a. HNO2 and NaNO2 6. HCN and NaCN c. HC104 and NaC104 d. NH3 and (NH4)2SO4 e. NH3 and NH4Br OOOOO mno
Which of the following combinations can be used to make a buffer? (Assume equal volumes are used.) Question 6 of 14 Submit Which of the following combinations can be used to make a buffer? (Assume equal volumes are used.) A) 0.50 M HF and 0.20 M NaF B) 0.50 M F and 0.50 M NaOH C) 0.50 M HF and 0.50 M HCI D) 0.50 M HCl and 0.50 M NaF Teams Bachelor TOT ASSOCI Type here to search O...
Question 39 Which combinations of compounds can make a buffer solution? O HNO2 and KNO2 O HBr and HCI O HI and NaCl O Lif and NaF
acids: 0.5 mol of NaOH is added to 1.0 L of a 0.3 M HCN solution. bases: 0 o other: 0 0.1 mol of HNO3 is added to 1.0 L of a solution that is 0.4 M in both HCN and NaCN. O acids: 0 O bases: 0 o other: Explanation Check
1. Which of the following make a buffer solution? (circle all the correct answers) a. 0.1 M HCl and 0.1 M NaCl b. 0.1 M HF and 0.075 M KF C. 0.15 M Pentanoic acid and 0.15 M sodium pentanoate d. 0.1 M NaOH and 0.1 M HCI e. 0.1 M acetic acid and 0.00001 sodium acetate 2. Which of the following could make buffer systems when mixed together? (circle the correct answers) a. 0.10 M acetic acid and 0.05...