What is the concentration of `CH_(3)COOH(aq.)` in a solution prepared by dissolving 0.01 mole of `NH_(4)^(+)CH_(3)COO^(-)` in 1 L `H_(2)O`? `[K_(a(CH_(3)COOH))=1.8xx10^(-5)),K_(b(NH_(4)OH)=1.8xx10^(-5))]`
% hydrolysis of 0.1M CH_(3)COONH_(4), when K_(a)(CH_(3)COOH)=K_(b)(NH_(4)OH)=1.8xx10^(-5) is:
What concentration of HCOO^(-) is present in a solution of weak of 0.01 M HCOOH (K_(a)=1.8xx10^(-4) and 0.01 M HCl?
What is [NH_(4)^(+)] in a solution that contain 0.02 M NH_(3)(K_(b)=1.8xx10^(-5)) and 0.01 M KOH?
What concentration of FCH_(2)COOH (K_(a)=2.6xx10^(-3)) is needed so that [H^(+)] =2xx10^(-3) ?
Calculate pH of a buffer solution that contains 0.1M NH_(4)OH(K_(b)=10^(-5)) and 0.1 M NH_(4)Cl.
What is the concentration of Pb^(2+) when PbSO_(4) (K_(sp)=1.8xx10^(-8)) begins to precipitate from a solution that is 0.0045 M in SO_(4)^(2-) ?
What is the molar solubility of Mn(OH)_(2) (K_(sp)=4.5xx10^(-14)) in a buffer solution containing equal amounts of NH_(4)^(+) and NH_(3) (K_(b)=1.8xx10^(-5)) ?
What is the pH of a 0.10 M C_(6)H_(5)O^(-) solution? The K_(a) of C_(6)H_(5)OH is 1.0xx10^(-10)
A 1 litre solution containing NH_(4)Cl and NH_(4)OH has hydroxide ion ion concentration of 10^-6) mol//litre. Which of the following hydroxides could be precipitated when the solution is added to 1 litre solution of 0.1 M metal ions? (I) Ba(OH)_(2)(K_(sp)=5xx10^(-3)) , (II) Ni(OH)_(2)(K_(sp)=1.6xx10^(-16)) (III) Mn(OH)_(2) (K_(sp)=2xx10^(-13)) , (IV) Fe(OH)_(2) (K_(sp)=8xx10^(-16))
NARENDRA AWASTHI-IONIC EEQUILIBRIUM-Assertin-Reason Type Questions
