Which of the following is a buffer solution? 0.10 M Ca(OH)2 and 0.10 M KOH 0.10 M LiF and O.10 HF O 0.10 M HC2H3O2 and 0.10 KF 0.10 M HBr and 0.10 M NH4Br none of these are buffer solutions

7.Of the following solutions, which has the greatest buffering capacity? A. 0.205 M HF and 0.133 M NaF B. 0.135 M HF and 8.78×10−2 M NaF C. 0.409 M HF and 0.266 M NaF D. 0.818 M HF and 0.532 M NaF E.They are all buffer solutions and would all have the same capacity.

Which of the following combinations is not suitable for making a buffer? NH4Cl and NH3 H3PO4 and NaH₂PO4 O NaH₂PO4 and Na₂HPO4 HCIO4 and NaC104 O Na₂CO3 and NaHCO3

How many of the following three choices are not effective buffers?NaCHO 2/HCHO 2NaH 2PO 4/H 3PO 4NaF/NaOH

2

Which pair could be a buffer? NaCl and KCl Weak base and its conjugate acid Strong base and a strong acid Strong base and its conjugate acid