How many moles of B (weak base) would need to be added to 527 mL of 0.38 M BHCl (the acidic salt) to produce a solution with a pH equal to 9.45? Report your answer to the thousandths place. The Kb of the weak base (B) is 4.7 × 10-6.

Q: At 25oC, a 100mL solution is found to contain 20% by mass acetic acid (CH3COOH). The density of the…

A: Given: Density of solution (ρs) = 1.05 g cm-3 Volume of solution initially (V1) = 50 mL Final volume…

Q: What volume (in mL) of 7.6 M HI would be required to make 500.0 mL of a solution with a pH of 3.20?

A: Given,Molarity of HI = 7.6 M = 7.6 mol/LpH of the solution = 3.20Volume of pH solution = 500.0 mL =…

Q: Would the carbonate/carbonic acid conjugate base/weak acid system function as a good buffer at the…

A: The explanation is given below-

Q: A solution is prepared at 25 °C that is initially 0.23M in propanoic acid (HC, H,CO,), a weak acid…

A: Given that, a solution is prepared from 0.23 M of propanoic acid and 0.076 M of sodium propanoate.…

Q: s a dilution lab of acetic acid. There is 1.0M acetic acid with ph of 2.297, 0.1M acetic acid with…

A: Acetic acid is a weak acid, it exists in equilibrium with its ions.The ICE table tells about the…

Q: A solution is prepared at 25 °C that is initially 0.21M in propanoic acid (HC, H,CO,), a weak acid…

A: Buffer solution is mixture of weak acid and its salt. Here acid used is Propanoic acid and salt is…

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: How many ml of 0.5 M HCl must be added to 100.0 ml of a 0.2 M Imidazole (C3H4N2 ; Kb=6.3x10-8)…

A:

Q: What mass (in g) of potassium fluoride should be added to 0.50 Lof 0.255-M HF(aq) at 25 °C to give a…

A:

Q: 3. What mass of NaA (MW=100 g/mole) must be added to a 100.0 ml of a 0.1 M solution of HA…

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The…

Q: What mass of NaA (MW=100 g/mole) must be added to a 100.0 ml of a 0.1 M solution of HA (Ka=1x10-5)…

A:

Q: Some distilled water showed pH of 9.00 or marketed as alkaline water. What is the procedure…

A: Given, pH of some distilled water is ---- 9.00. What is the procedure to convert neutral water into…

Q: a.For a weak acid (HA) titration, what are the net ionic reactions for the following processes?…

A:

Q: What is the pH of a solution prepared by mixing 25.00 mL of 0.10 M methylamine. CH3NH2. with 25.00…

A: Given : Concentration of methamine i.e CH3NH2 = 0.10 M Volume of CH3NH2 solution = 25.00 mL = 0.025…

Q: A solution Is prepared at 25 °C that Is Initlally 0.21M In acetic acid (HCH,CO,), a weak acid with…

A:

Q: a volume of bore water with a pH of 8.06 was blended with an equal volume of another water sample…

A: pH = 8.06 for sample -1 pH = 6.00 for sample -2

Q: Calculate the pH of a solution prepared by mixir (Ka-6.46 x 105) with 5.00 mL of 0.200 M NaO…

A:

Q: How many grams of glycine amide should be added to 1.00 g of glycine amide hydrochloride to give 100…

A: The given solution is a buffer solution whose pH can be determined using the Henderson-Hasselbalch…

Q: How many moles of B (weak base) would need to be added to 507 mL of 0.28 M BHCl (the acidic salt) to…

A: IMPORTANT POINTS: It is the case of basic buffer containing a weak base and its conjugate salt BHCl…

Q: Calculate the pH of a mixture containing 0.23 M HONH2 and 0.44 M HONH3Cl. (Kb = 1.1 × 10–8) What…

A:

Q: Which acid would be the best to combine with its sodium salt to make a solution buffered at pH 5.25?…

A: Here we have to determine the mass of sodium salt of conjugate base required to form buffer solution…

Q: Calculate the pH of a solution prepared by mixing 15.0 mL of 0.10 M NAOH and 30.0 mL of 0.1 acid…

A: Determination of no. of mol of NaOH: n=M×V=0.10 mol/L×15.0×10-3L=1.5×10-3 mol Determination of no.…

Q: calculate the pH of the equivalence pount concentraton of N2OH solution = oil mollL Mean tire (NoOH…

A: Aspirin is a weak acid. It is reacting with a strong base NaOH. So, the equivalence point will be…

Q: c) What mass of NaC₂H,O,₂ must be dissolved in 0.300 L of 0.25 M HC₂H₂O₂ to produce a solution with…

A: mass of NaC2H3O2 ,sodium acetate = ? Volume of NaC2H3O2 = 0.300 L [HC2H3O2 ] = [CH3COOH] = 0.25 M pH…

Q: Like any equilibrium constant, Kᵥᵥ changes with tempera-ture. (a) Given that autoionization is…

A: Given: Autoionization of water is given as endothermic reaction.

Q: (from the in class activity) - Suppose you dissolve three tablets of Sudafed (R), each containing…

A:

Q: Predict the pH of a solution that is madeby mixing 25.0 ml of 0.100 M NH4OH (Kb= 1.80 x 10^-5) with…

A:

Q: (from the in class activity) - Suppose you dissolve three tablets of Sudafed (R), each containing…

A: It is a salt made from weak base and strong acid.  So, pH = 0.5pKw - 0.5pKb - 0.5logC ...(1) Total…

Q: Calculate the pH of a solution that is prepared by dissolving 0.470 mol of hydrocyanic acid (HCN, K,…

A: Given- HCN= 0.470 mole HC9H7O4 = 0.164 mole Volume of solution = 3.00 L Ka of HCN = 6.17 x 10-`10 Ka…

Q: What mass (in g) of potassium fluoride should be added to 0.50 Lof 0.255-M HF(aq) at 25 °C to give a…

A: Given: Concentration of HF = 0.255 M Volume of solution = 0.50 L pH of buffer solution = 3.85  And…

Q: Calculate the pH of a 10 M C5H5NHCI (aq) (pyridine chloride salt of pyridine) at 25 °C. The base…

A: Concentration of C5H5NHCl= 10M Kb=1.7×10^-9

Q: A solution is prepared at 25 °C that is initially 0.16 M in benzoic acid (HC,H,CO,), a weak acid…

A: Since the solution is having benzoic acid i.e HC6H5CO2 and its salt NaC6H5CO2  Hence the solution is…

Q: How many milliliters of 0.113 M HBr should be added to 52.2 mL of 0.013 4 M morpholine to give a pH…

A: Volume of morpholine =52.2mL =0.0522 L. The number of moles of morpholine = Molarity × Volume n =…

Q: A solution is prepared at 25 °C that is initially 0.16 M in ammonia (NH3), a weak base with K₂ = 1.8…

A:

Q: A solution is prepared at 25 °C that is initially 0.29M in chloroacetic acid (HCH,CICo,), a weak…

A: Given information is as follows; Concentration of chloroacetic acid = HCH2ClCO2 = 0.29…

Q: Some distilled water showed pH of 9.00 or marketed as alkaline water. What is the procedure…

A: The solution is said to be acidic if the pH of the solution is less than 7.  The solution is said to…

Q: What mass of NaCH3COO should be added to 1.00 L of 0.100 M CH3COOH to produce a solution with pH =…

A: Given: Concentration of CH3COOH = 0.100 M Volume of solution = 1.00 L And pH of solution = 5.00

Q: xercise 1: Derive a similar relationship for the basic-type ndicator. ase-type indicator: conjugate…

A:

Q: The ion HTe− is an amphiprotic species; it can act as either an acid or a base.(a) What is Ka for…

A: a) When  HTe− behaves as acid, it deprotone to produce Te2-       HTeacid- + H2O ⇌Te2-Conjugate base…

Q: A solution was prepared by 0.250 moles of ammonium chloride to 500.0 mL of 0.35 M ammonia. Given the…

A: For NH3 , pKb = -log Kb = -log ( 1.86 x 10-5 ) = 5 - log 1.86 = 5 - 0.27 = 4.73 Concentration of…

Q: 13 For an aqueous solution of hydrochloric acid with ph= 0.400, what would be the % mass of…

A: Given pH = 0.4 volume = 100 ml = 0.1 L density = 1g/ml

Q: 3g of benzoic acid (Molecular mass = 122 g/mol) are dissolved in 100 mL of pure water. Calculate the…

A: Ionization of weak monoprotic acid and pH calculation:

Q: Calculate the isoionic pH of 6.022 x 1021 molecules of thereonine in 500 mL of solution. (For…

A:

Q: How would you prepare 500.0 mI. of 0.050 M phosphate buffer solution, pH 6.7 from 0.20 M solutions…

A:

Q: A solution is prepared at 25 °C that is initially 0.28M in propanoic acid (HC,H,Co,), a weak acid…

A:

Q: A solution is prepared at 25 °C that is initially 0.46M in propanoic acid (HC,H,CO,), a weak acid…

A:

Q: 10. How many moles of CH;COON (sodium acetate) must be added to 2.0 L of 0.10 M CH;COOH (acetic…

A: