• 2022-05-29
    What is the volume ratio of HCl solutionto NH3·H2O (pKb=4.75)solution when abuffer solution atpH9.25 is prepared with the same concentration of HCl solutionand NH3·H2Osolutions
    A: 1:1
    B: 1:2
    C: 2:1
    D: 3:1