What is the pH of a solution composed of 0.20 M NH3 and 0.15 M NHẠCH (Pkb of NH3=4.75) O 2.15 4.62 6.16 9.38

Q: What is the number of moles of 10.0 g NH₄Cl?  What is the molar concentration of NH₄Cl?  What is…

A:

Q: What is the pH of a solution containing 0.15 M of NHĄCI and 1.5 M of NH3? The –10 Ka of NH4" is…

A: Here we are required to find the pH of the buffer of NH3/NH4Cl

Q: Carbonic acid, H2CO3 is a diprotic acid with Ka1 = 4.3 × 10-7 and Ka2 = 5.6 × 10¯11. What is the pH…

A: The Ka1 is greater than Ka2 by a fraction of 10-4.  In a diprotic acid, firstly the first hydrogen…

Q: What is the% hydrolysis of the acetate ion in a 0.1M solution of CH3COO (NH4) compared to the%…

A: A numerical problem based on Henderson equation, which is to be accomplished.

Q: What is the pH of 0.170 M sodium butanoate, a weak base with Kp = 6.7e-10? a) The pH of this…

A:

Q: What is the pH of an aqueous solution composed of 0.64 M NH4+ and 0.20 M NH3? (Ka of NH4+ = 5.6 ×…

A: Given: Molarity of NH4+= 0.64 M Molarity of NH3= 0.20 M

Q: The pKa for HCN(aq) is 9.21. What is the pH of a 1.245 M solution of NaCN? O a. 11.25 O b. 1.24 O c.…

A: this is the salt of weak acid and strong base. so ,we will use hydrolysis equation of weak acid and…

Q: Which of the fellowing aqueous solutions are good buffer systems? O0.38 M hypochlorous acid + 0.25 M…

A:

Q: What is the pH of a solution of 0.300 M HNO₂ containing 0.200 M NaNO₂? (Ka of HNO₂ is 4.5 × 10⁻⁴)

A: By using Henderson Hasselbalch equation the pH of the buffer solution is determined by using the…

Q: What is the pH of a solution that is 0.01M in picric acid and 0.1M in sodium picrate. (pKa=0.38)

A:

Q: What is the pH of a solution of 0.400 M CH&NH2 containing 0.310 M CH:NH:l? (Kb of CH:NH2 is 4.4 × 10…

A: • According to Bartleby guidelines, I need to solve only first question in case of multiple…

Q: The pH of a 0.12 M HNO3 solution is -1.22 -0.92 0.92 1.22

A: Given concentration of HNO3 = 0.12 M

Q: What would be the pH of a solution of hypobromous acid (HOBr) prepared by dissolving 9.7 grams of…

A: given:  mass of HOBr = 9.7 g molar mass of HOBr = 96.91 g/mo moles of HOBr = 9.796.91= 0.1 moles…

Q: 7a Calculate the pH of a solution if its [H;O*] is 5.5 x 106 7b Calculate the [OH] of a solution…

A:

Q: Calculate the pH of a solution that is 0.410 M in HOCI and 0.050 M in NaOCI. [Ka(HOCI) = 3.2 x 10-8)…

A: Concentration of HOCl=0.410M Concentration of NaOCl=0.050M Ka(HOCl)=3.2 × 10^-8

Q: What is the pH of a solution that is made by dissolving 5.58 g CH3NH3CL in enough water to create…

A: Given mass of CH3NH3Cl = 5.58 g  Volume of water = 0.441 L  What is the pH of the solution = ?

Q: What is the pH of a solution of 0.300 M HNO₂ containing 0.170 M NaNO₂? (Ka of HNO₂ is 4.5 × 10⁻⁴)

A: pH of a solution is defined as the negative logarithm of H3O+ ion concentration. Here the given…

Q: 23 What is the pH of a solution composed of 0.20 M NH3 and 0.15 M NH.CI? (Kb NH3 = 1.8 x 10*)" (a)…

A: The pH and pOH of the solutions is the potential of H+ and OH- ions present in the solution. The…

Q: What is the pH of a 0.455 M solution of lactate, (CH3)2 COO^-1. The pKa of lactic acid, (CH3)2 COOH…

A: Given - Concentration of solution of lactate (CH3)2 COO- =  0.455 M pKa of lactic acid  (CH3)2 COOH)…

Q: What is the pH of a solution of 0.300 M HNO₂ containing 0.110 M NaNO₂? (Ka of HNO₂ is 4.5 × 10⁻⁴)

A:

Q: A solution of HCIO4 was found to have a pH of 0.14. What is the concentration of HCIO4? a. 7.2 x…

A: HClO4 solution has a pH of 0.14 .We have to calculate the concentration of HClO4 solution .

Q: A) What is the concentration of PO43- in a 0.18 M H3PO4 solution?  Ka1= 7.5X10-3 , Ka2=6.2X10-8,…

A: a) The concentration of phosphate ion is calculated as,

Q: 4 A solution is made by dissolving 24.7 g of LIC3H5O2 in 500.0 mL of water. a Does Li have any…

A: We are authorised to solve first three subparts of a question. Please post rest of the subparts…

Q: What is the pH of a 0.830 M solution of Ca(NO₂)₂ (Ka of HNO₂ is 4.5 × 10⁻⁴)?

A: The chemical equation may be written as: The given data is: Concentration of Ca(NO2)2 =0.830M Ka of…

Q: What is the pH of a 0.375 L solution made with and 25.00 mL of 5.50 M HBRO (K, = 2.3 x 10 ) 2.775 g…

A:

Q: Calculate the pH of solution that is 0.200 M NH3 and 0.300 M NH4Cl (pKa = 9.245)

A: pH: It can be defined by saying that the potential of hydrogen ions in any solution . Based upon the…

Q: What will be the pH of a solution containing 0.200 M NaH2PO4 and 0.200 M Na2HPO4? Ka(NaH2PO4) = 6.2…

A: Given,  Molar concentration of weak acid, NaH2PO4 or H2PO4- = [H2PO4-] = 0.200 M Molar concentration…

Q: A 0.33 M HF solution has a percent ionization of 0.47%. What is the H* ion concentration at…

A:

Q: The pH of a 0.250 M hypoiodous (HOI) solution is 5.620. What is the value of Ka   a. 5.76 x…

A: Calculate the concentration of hydrogen ions.

Q: Calculate the pH and ionization percentage of a solution of 4.7 = PKa 0.2 molarity of ammonium…

A:

Q: Calculate the pH of each solution. a. 1.0 M NaH2PO4 b. 1.0 M Na2HPO4

A:

Q: Calculate the PH of a solution of 0.33 M HF solution The ka for HF is 7.2x 10^-4.

A: Given: Ka for HF=7.2×10-4 To find: pH of a solution of 0.33M HF.

Q: What is the pH of the solution that is prepared when 121 g piperidinium chloride salt is dissolved…

A: Answer - The correct option is (d) 9.2 Solution -

Q: A solution of CgH5N (pyridine, Kp = 1.7 x 10) has a pH of 9.40. What is the [C;H5N]? O 0.37 9.3 x 10…

A:

Q: What is the PH of a 0.500 M NACIO solution? K, of HCIO is 2.9x10-8 O a. 9.48 b. 4.52 O c. 10.62 O d.…

A: NaClO → Na+ + ClO- ClO- →HClO + OH- Now , let [HClO] =[OH-] = X  So , Kb = [HClO]×[OH-]/[ClO-] =>…

Q: A certainvinegar is found to contain 5.7% acetic acid CH3COOH by mass. What mass of this vinegar…

A: The Molarity of original starting Solution, containing 5.7 % Acetic acid by mass ,can be calculated…

Q: 6. What is the pH of a solution containing 0.550 M HOAc and 0.460 M LiOAc? (ka of HOAc = 1.80 x…

A: The Henderson-Hasselbalch equation shows how the concentrations of an acid and its conjugate base…

Q: What is the pH of a solution of 0.300 M HNO2 containing 0.120 M NaNO2? (Ka of HNO2 is 4.5 × 10¬4)

A: The given data contains, Concentration of weak acid =0.300M Concentration of conjugate base =0.120M…

Q: What is the pH of a solution of 0.300 M HNO₂ containing 0.150 M NaNO₂? (Ka of HNO₂ is 4.5 × 10⁻⁴)

A: In this question, we will calculate the pH of this solution ( this is a buffer solution ). For…

Q: A solution is prepared using the ammonium/ammonia (NH4+/NH3) acid base pair. The ratio of acid to…

A: Given: Ka = 5.6 x 10-10 ammonium/ammonia (NH4+/NH3) = 0.18

Q: Determine the pH of a solution made by adding 0.30 mol of acetic acid (CH3COOH) and 0.30 mol of…

A: Buffer solution: The buffer solution is an aqueous solution consisting of a mixture of a weak acid…

Q: Which substance, when dissolved in water, will produce the solution with the lowest pH? (A) CaCl2…

A: The salt which is formed by the combination of strong base and strong acid have pH = 7 when…

Q: What is the pH of a 0.04 Mof the diprotic acid H2CO3 solution? Kai= 4.3 x 10-; Ka2 = 4.8 x 1011 %3D…

A:

Q: What is the pH of a solution of 0.300 M HNO₂ containing 0.210 M NaNO₂? (Ka of HNO₂ is 4.5 × 10⁻⁴)

A: BUFFER SOLUTION It is a solution of weak acid or base with their corresponding conjugate base or…

Q: The pKb of ammonia in water is 4.74. What is the pH of a 93.26 mL solution that contains 0.20 M…

A: Given: The pKb of ammonia= 4.74 Molarity of ammonium ions= 0.20 M Molarity of ammonia= 0.10 M

Q: Calculate the pH of the solution produced when 20.0 mL of o.125 mL of each of the following: a.…

A: d) moles of HCl = 0.125×0.02 = 0.0025 mol Moles of HClO4 = 0.2 × 0.5 = 0.01mol Total moles of H+ =…

Q: Calculate the percent ionization and the pH of the following solution of benzoic acid, HC7H5O2 (Ka =…

A:

Q: For the diprotic weak acid H2A, Ka1=2.9×10−6Ka1=2.9×10−6 and Ka2=5.3×10−9Ka2=5.3×10−9. What is the…

A: Ka1 and Ka2 values of a diprotic weak acid are given as 2.9×10-6 and 5.3×10-9 respectively.