What is the pH of a 0.530 M solution of CsH,NHB (Kb of C;H;N is 1.7 x 10-9)?

Q: What is the pH of a 3.50 M solution of NH4CI (Ká of NH3= 1.8 x 105)?

A:

Q: What is [H*] in a 0.240 M solution of acrylic acid, CH,CHCOOH (Ka = 3.16 x 10-5)?

A: The acid dissociation constant is the ratio of ions of the product to that of reactant when a acid…

Q: HCIO is a weak acid (Ka = 4.0 x 10-8) and so the salt NaCIO acts as a weak base. What is the pH of a…

A: Ka of HClO = 4.0 × 10-8 Concentration of the solution of NaClO = 0.089 M pH =?

Q: What is the pH of a 0.0810 M solution of HONH;CI (Kb of HONH2 is 1.1 x 108)?

A: Given,                HONH3Cl -----> HONH3+ + Cl-  Hydrolysis of the weak conjugate acid, HONH3+…

Q: What is the pH of a solution of 0.300 M HNO, containing 0.180 M NANO,? (Ka of HNO2 is 4.5 x 10-4)

A: Given- Concentration of HNO2=0.300M Concentration of NaNO2=0.180M Ka of HNO2= 4.5×10-4

Q: What is the pH of a 0.0520 M solution of HONH;CI (Kb of HONH2 is 1.1 x 10-8)?

A: HONH3Cl is a salt of weak base HONH2 and strong acid HCl Recall the following expression to…

Q: What is the pH of a 0.0730 M solution of methylamine (CH₃NH₂, Kb = 4.4 × 10⁻⁴)?

A: Given :- concentration of methylamine solution  = 0.0730 M  Kb for methylamine = 4.4 × 10-4  To…

Q: What is the pH of a 1.75 M solution of KX (Kb of X is 1.22 x 10°) (Please show the final result with…

A: Answer:  9.66 Weak base can't dissociate completely, it's  pOH = 1/2 (PKb - logC)

Q: What is the pH of a 0.350 M triethylamine, (C2H5)3N, solution?             Kb for triethylamine is…

A: Given, 0.350 M triethylamine  Kb for triethylamine is 5.3 *10-4

Q: What is the pH of a 0.72 M solution of ammonia NH; (pK), = 4.74 at 25 C?

A:

Q: HCIO is a weak acid (Ka = 4.0 × 10-8) and so the salt NaClO acts as a weak base. What is the pH of a…

A: Kw = Ka x Kb  Kw = 1x10-14  given that Ka = 4x10-8 find Kb = (1x10-14) / (4x10-8) = 2.5x10-7 Initial…

Q: If the Kb of a weak base is 5.7 × 10-6, what is the pH of a 0.16 M solution of this base?

A: From the relation, pOH is calculated as,

Q: What is the pH of a 0.1250 M CH3NH3Br? Kb for CH3NH2 is 3.70e-4.

A: Given,  The pH of a 0.1250 M CH3NH3Br is : Kb for CH3NH2 is 3.70e-4.

Q: The pOH of ammonium hydroxide at 25 C is 5.55. What is the pH and the [H ], [OH ] in mol/L for…

A: At constant temperature, the pH of a solution remains constant. For 250 C, the pH of the solution…

Q: The hydroxide ion concentration, [OH-], of an aqueous solution of 0.421 M diethylamine (a weak base…

A: When the rate of forward reaction is equal to the rate of backward reaction then the reaction is…

Q: Methylamine, CH3NH2, has a Kb = 4.40 x 10-4. What is the pH of a 0.450 M  solution of methylamine?

A: Methylamine, CH3NH2 is a weak base which undergoes partial dissociation in aqueous medium. Let the…

Q: What is the pH of a 0.620 M solution of Ca(NO2)2 (Ka of HNO2 is 4.5 × 10-4)?

A: HNO2 => H+ + NO2- Ka = [H+][NO2-]/[HNO2] Given, Ka = 4.5x10-4 = [H+][NO2-]/[HNO2] 4.5x10-4 =…

Q: What is the pH of a of 0.450 M NaCN? The Ka for hydrocyanic acid is 4.9 × 10-10?

A: Any certain salt solution achieves acidic or basic behavior when it undergoes hydrolysis reaction.…

Q: Dimethylamine, (CH3)2NH, a key intermediate in detergent manufacture, has a Kb of 5.9 x 10-4. What…

A: Ionic equilibrium is the equilibrium which is established between the unionized molecules and the…

Q: H¸NH, is a weak base (Kp = 5.0 × 10-4), so the salt CH, NH,NO, acts as a weak acid. What is the pH…

A: pH = -log[H+]  pOH = -log[OH-] pH + pOH = 14

Q: The value of K, for benzoic acid is 6.30×10-5. What is the value ofKg, for its conjugate base,…

A: Given: For Benzoic acid  The value of Ka = 6.30 x 10-5  For Conjugate base, C6H5COO- The value of Kb…

Q: What is the pH of a 0.250 M HOCI solution? K, of HOCI at 25°C is 3.5 x 10-8. O 7.46 O 4.03 O 3.57 O…

A: ​Given - - - >   Ka = 3.5*10-8   pH = 0.25

Q: What is the pH of a 0.580 M solution of C3H,NHB (Kb of CsH;N is 1.7 × 10-º)?

A: pH is the negative logarithm of concentration of hydrogen ion. pH of a solution can be calculated…

Q: What is the pH of 0.0100mol.dm3 solution of a weak.,monoprotic acid K3=3.4×10-3 at 25°C?

A: Given concentration(C) = 0.0100mol/dm3 Dissociation constant ( K ) = 3.4×10-3

Q: The acid dissociation constant K, of hypobromous acid (HBrO) is 2.3 x 10?. -6- a Calculate the pH of…

A: Dissociation constant of acid (Ka) - In dissociation reaction of acid, ratio of concentration of…

Q: What is the pH of a 0.0620 M solution of methylamine (CH,NH2, Kb = 4.4 × 10-4)?

A:

Q: The Ka of a weak acid is 5.42 x 10-5. What is the pKb of its conjugate base?

A: Ka = 5.42 × 10-5 (given )  pKa = - log [Ka]  pKa = - log ( 5.42 × 10-5 )  pKa = 4.266

Q: What is the pH of 0.10 bicarbonate (HCO3-) solution? Kb=2.4E-8. x= ? [H3O+] = ? pH = ?

A: The solution for the first part is as follows :

Q: 5c. What is the pH of a solution which is 0.0400 M in potassium isocyanate (K* CNO") and 0.0300 M in…

A: Given, [K+CNO-] = 0.0400 M            [HOCN] = 0.0300 M As , K+CNO- is a salt it remains as…

Q: CH;NH, is a weak base (Kp = 5.0 × 104), so the salt CH,NH,NO, acts as a weak acid. What is the pH of…

A: The pH of salt of strong acid and weak base can be calculated by  using formula

Q: Hydroxylamine, HONH2, readily forms salts which are used as antioxidants in soaps. Hydroxylamine has…

A: NH2OH    +H2O   →NH3OH        +        OH-aq              l            aq…

Q: What is the pH of a 0.0360 M solution of hydrocyanic acid, HCN (Ka = 4.9 x 10-10)?

A:

Q: NH3 is a weak base (K, = 1.8 x 10-5) and so the salt NH¼C1 acts as a weak acid. What is the pH of a…

A:

Q: What is the pH of an aqueous solution that is 0.1M NHẠC1? The Kb value for NH3 is 1.8 x 10-5

A: Given, Molar concentration of NH4Cl = [NH4Cl] = 0.1 M Base dissociation constant of NH3 = Kb = 1.8…

Q: HCIO is a weak acid (K, = 4.0 × 10-8) and so the salt NaClO acts as a weak base. What is the pH of a…

A: Given,  Molarity of NaClO = C = 0.080 M  Acid dissociation constant of HClO =  Ka = 4.0 x 10-8…

Q: HCIO is a weak acid (K, = 4.0 x 10-8) and so the salt NaCIO acts as a weak base. What is the pH of a…

A: given  HClO Ka=4.0 x 10-8  concentration of  NaClO IS 0.027  PH =?

Q: What is the pH of 0.31 M diethylammonium chloride, (C2H5)2NH2Cl.  The Kb of diethylamine, (C2H5)2NH,…

A: The pH of the 0.31M diethylammonium chloride is given below

Q: Kb for NH3 is 1.8 × 10-5. What is the pH of a 0.45 M aqueous solution of NH4Cl at 25.0 °C? Show

A: This question is related to salt hydrolysis of salt. By applying certain formula for that, required…

Q: What is the pH of a 0.862 M NH3 solution that has a Kb = 1.8 x 10-5?

A:

Q: what is the pH of an aqueous solution with [H3O+] = 2 x 10-14 mol L-1?

A: [H3O+] = 2 × 10-14 mol L-1  pH of the aqueous solution = ?

Q: What is the pH of a 0.600 M solution of HSO, (Ka = 6.6 × 10°)? (Please show your answers with 3 sig…

A: pH of solution is equal to the negative logarithm of hydronium ion concentration. pH=-log(H3O+) Ka…

Q: What is the pH of a 0.870 M solution of Ca(NO2)2 (Ka of HNO2 is 4.5 × 10*)?

A: dissociation of Ca(NO2)2 Ca(NO2)2(aq)→Ca2+(aq)+2NO2-(aq) we can see 2mol of NO2- is formed from 1…

Q: What is the pH of a 1.00 x 10^-9 molar solution of KCl?

A: KCl is a salt of strong acid (HCl) and strong base (KOH).

Q: What is the pH of a 0.0680 M solution of hydrocyanic acid, HCN (Ка %3D 4.9 х 10-10)?

A:

Q: HCIO is a weak acid (K. = 4.0 x 10-8) and so the salt NaCIO acts as a weak base. What is the pH of a…

A:

Q: What is the pH of a 0.420 M solution of C5H,NHB (Kb of C5H,N is 1.7 × 10-9)?

A: Given:: [C5H5NHBr]=0.420 M =concentration of salt=c Kb of C5H5N = 1.7×10-9 pH=?

Q: at 25 degrees celcous, the Ka of HCO2H is 1.77 x 10^-4. What is the Delta G naught in kj/mol for…

A: Given : Ka of HCO2H = 1.77 X 10-4  And temperature = 25 oC

Q: What is the PH of a l.6M Soluten of Ascorble Acid, th C HG OG Kaz -5 = 8.0 x10, Ke=1.6A 10-12)

A: Given: Concentration of H2C6H6O6 = 1.6 M Ka1 of H2C6H6O6 = 8.0 × 10-5 And Ka2 of H2C6H6O6 = 1.6 ×…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.