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))]
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)
What is the normality of 1.2 M CH_3COOH
The basicity of CH_3COOH is 4.
Select the best indicator from the given table for titration of 20 mL of 0.02 M CH_(3)COOH with 0.02 M ,20ml of NaOH. Given pK_(a) (CH_(3)COOH)=4.74 {:(,"Indicator","pH range") : I ("Bromothymol blue",6.0-7.6), II ("Thymolphthalein",9.3-10.5), III ("Malachite green",11.4-13), IV ("M-Cresol purple",7.4-90):}
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))
