Carbonic acid `(H_(2)CO_(3)),` a diprotic acid has `K_(a1)=4.0xx10^(-7)` and `K_(a2)=7.0xx10^(-11).` What is the `[CO_(3)^(2-)]` of a 0.025 M solution of carbonic acid?
Fe(OH)_(2) is diacidic base has K_(b1)=10^(-4) and K_(b2)=2.5xx10^(-6) What is the concentration of Fe(OH)_(2) in 0.1 M Fe(NO_(3))_(2) solution?
H_(3)A is a weak triprotic acid (K_(a1)=10^(-5),K_(a2)=10^(-9),K_(a3)=10^(-13) What is the value of pH of 0.1 M H_(3)A (aq.) solution ? Where pX=-log X and X= [[A^(3-)]]/[[HA^(2-)]]
Approximate pH of 0.01 M NaHA is calculated by : (K_(a1)=10^(-6) and K_(a2)=10^(-8) are ionization constants of H_(2)A)
The acid dissociation constant of uric acid is K_(a)=4.0xx10^(-6) M. The pH of a sample of urine is 6.0. What is the ratio of concentration of urate ion to uric acid in the urine?
pH of a strong diprotic acid (H_(2)A) at concentrations: (i) 10^(-4) M, (ii) 10^(-4) N are respectively:
Calculate pH of a resultant solution of 0.1 M HA (K_(a)=10^(-6)) and 0.45 M HB (K_(a)=2xx10^(-6)) at 25^(@)C.
What concentration of FCH_(2)COOH (K_(a)=2.6xx10^(-3)) is needed so that [H^(+)] =2xx10^(-3) ?
A saturated solution of Ca_(3)(PO_(4))_(2) has [Ca^(2+)]=2xx10^(-8) M and [PO_(4)^(3-)]=1.6xx10^(-5) M K_(sp) of Ca_(3)(PO_(4))_(2) is :
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 is the molar solubility of Fe(O)_(2) (K_(sp)=8.0xx10^(-16)) at pH 13.0 ?
NARENDRA AWASTHI-IONIC EEQUILIBRIUM-Assertin-Reason Type Questions
