Calculate the pH of a solution made by mixing 1.0mL of 3.0M NaOH with 40.0mL 0.20M H2CO3. The pKa1 of H2CO3 is 6.35.

Q: What is the pH of a solution prepared by mixing 25.0 mL of 0.180 M HC,H30, with 40.0 mL of 0.250 M…

A: pH of the solution = 13.71

Q: Calculate the mass of sodium acetate (CH3COONa) required to prepare 35 mL of a 0.15 M sodium acetate…

A: Given data: Sodium acetate concentration = 0.15 M Volume = 35 mL Molar mass of sodium acetate =…

Q: 100.0mL of a 0.050M HNO2 solution is titrated with a 0.10M NaOH solution. How many mL of NaOH would…

A: Let the volume of NaOH = V mL pH = 3.39 Molarity of HNO2 = 0.050M Molarity of NaOH = 0.10 M

Q: A is solution is prepared by mixing 25 mL of 0.1 M HCHO2 with 25 mL of 0.2 M NACHO2. The pH of the…

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Q: Calculate the pH of a solution prepared by mixing 300 mLof 0.25 M sodium hydrogen ascorbate and 150…

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Q: ) If 5.0 mL of 0.100 M NaOH is added to 100.0 mL of a 0.0500M phosphate buffer solution at pH 7.2,…

A: A solution which resists the change in pH when a small amount of acid or base is added to it,  is…

Q: Calculate the pH of a mixture that contains 0.26 M of HCOOH and 0.10 M of HC6H5O. The Ka of HCOOH is…

A: Answer :- Acid dissociation constant :-It is the equilibrium constant when dissociation of acid…

Q: Determine the pHof a solution prepared by dissolving 35.0g of solid (CH3)NH2CL in 1.00L of 1.10M…

A: At equilibrium (CH3)2NH hydrolyzes as,                                            (CH3)2NH + H2O ⇌…

Q: Calculate the pH of a solution made by mixing 25.00ml. of 0.1056M HCI with 13.23ml of 0.1138M NAOH…

A: The acid solution is the solution in which loss of proton takes place and the pH of the solution is…

Q: 27G. A solution that is 0.010 M of the salt triethanolammonium bromide, (CaH,ONHJBr. (Kb, (CsH9OsN)…

A: Nature of salt: 1. If a salt is made by reacting strong base and strong acid then it's nature would…

Q: A solution of 0.05 M in NH4CI and 0.03M in NH3, calculate its OH- concentration and its pH. (pKa…

A: Concentration of NH4+ = [NH4+] = 0.05 M Concentration of NH3 = [NH3] = 0.03 M OH- concentration of…

Q: Calculate the pH of a solution formed by adding 3.00 grams of solid sodium azide, NaN₃, to 310.0 ml…

A: Buffer is the solution of mixture of weak acid/weak base with its salt of strong base/strong acid

Q: A buffer is made by mixing 5.0 mL of 3.0 MNH,(aq) with 10 mL of 1.44 MNH,Cl(aq). What is the pH of…

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Q: Calculate the expected pH of a solution created by mixing 30.00 ml of 0.125 M Na(OAc), 20.00 ml of…

A: A solution that contains weak acid and its conjugate base becomes a buffer solution. Buffer…

Q: Calculate the pH of a solutuon made by mixinf 50.00 mL of 0.100 M NaCN with    (a) 4.20 mL of…

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Q: Calculate the pH of a solution prepared by mixing 50ml HCl 0.15 with 100ml NaOH 0.05M

A: HCl is a strong acid and NaOH is a strong base. They react together according to the equation: HCl +…

Q: Calculate the pH of a solution prepared by mixing 150.0 mL of 0.200 M hydrobromic acid and 150.00 mL…

A: Applying concept of molarity and pH  pH = -log [H+]

Q: 4.1 Calculate the pH of a solution obtained by mixing 500.00 mL of 0.10 M NH3 with 200.0 mL of 0.15…

A: Given: Volume of NH3 = 500.00 mL Concentration of NH3 = 0.10 M Volume of HCl = 200.0 mL…

Q: A 1 liter solution is made by adding 0.5844 moles NaH2PO4 and 0.5116 moles Na2HPO4. What will be the…

A: A 1 liter solution is made by adding 0.5844 moles NaH2PO4 and 0.5116 moles Na2HPO4. What will be the…

Q: Calculate the pH of a buffer solution made by mixing 300 mL of 0.3M acetic acid, CH;COOH, and 200-mL…

A: A. 4.4  Given that,   Volume of 0.3 M CH3COOH = 300 mL  = 0.3 L Moles of CH3COOH  = 0.3 M× 0.3 L =…

Q: A 1.0m HCl solution has a volume of 20.0mL. Calculate pH of the solution that results from 3.00g of…

A: Given: Molarity of HCl solution= 1.0 M Volume of HCl= 20.0 mL= 0.020 L Mass of solid acetate= 3.00 g…

Q: Codeine (C18H21NO3) is a weak organic base. A 5.0 x 10-3Msolution of codeine has a pH of 9.95.…

A: SOLUTION: Step 1: The ionization equation for Codeine ( C18H21NO3 ) and the equilibrium expression…

Q: If we combine 40.0 mL of a 0.100 M HNO3 solution with 60.0 mL of a 0.100 M ethylamine solution, what…

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Q: A buffer solution is 0.308 M in H2 C204 and 0.252 M in NaHC204. If Kal for H2C2O4 is 5.9 x 10¬ª,…

A: The pH of a buffer solution prepared by mixing a weak acid with the salt of its conjugate base can…

Q: A solution is made by mixing 50.0 mL of a stock solution of 2.0 M K2HPO4 and 25.0 mL of a stock…

A: Buffer solutions: are defined as the aqueous solution which contains the mixture of the weak acid…

Q: Calculate the pH of a solution that is 0.520 MM in pyridine (C5H5NC5H5N) and 0.440 MM in pyridinium…

A: Recall the following relation to calculate pH of the given solution…

Q: Enough of a monoprotic acid is dissolved in water to produce a 1.261.26 M solution. The pH of the…

A: Given: Concentration of monoprotic acid (Assuming HA) = 1.26 M And the pH of the solution = 2.70

Q: Calculate the pH of a solution formed by mixing 250.0 mL of 0.15 M NH4Cl with 100.0 mL of 0.20 M…

A: Henderson – Hasselbalch equation is used to calculate the pH of a buffer solution. A buffer solution…

Q: Calculate the pH of a mixture of 0.12 M acetic acid and 0.25 M sodium acetate. The pKa of acetic…

A: Given: Molarity of acetic acid = 0.12 M Molarity of sodium acetate = 0.25 M pKa of acetic acid =…

Q: Quinine (C20H24O2N2) is a water-soluble base that ionizes in two stages, with Kb1 5 3.31 × 10-6 and…

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Q: What pH would be measured from a solution that is made by mixing 100.0 mL of 0.050 M NaC2H3O2 and…

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Q: Calculate the pH of a solution containing 200ml of 0.01M NaOH and 8ml of 0.25M of acetic acid.

A: Answer :-  The pH of a solution containing 200ml of 0.01M NaOH and 8ml of 0.25M of acetic acid =…

Q: 0.653 g of a monoprotic acid (mm = 157 g/mol) is dissolved in water to produce 50.0 mL of a solution…

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Q: Calculate the pH of a solution that contains 5.18 M of weak acid HA and 1.26 M NaA. The Ka of…

A: Given :  [HA] = 5.18 M  [NaA] = 1.26 M  Ka for Weak acid (HF) = 0.00063  To calculate :  pH of…

Q: Carbonic acid (H2CO3) and bicarbonate ion (HC0;) are used as a buffer system to regulate the blood…

A: Given,  Ka of H2CO3 = 4.2 x 10-7  pH = 7.15

Q: 10010 ml, 0.1M HcL is udded to 100 ml of asalFion Which IS 0.1 M both in HOAC and NAOAC. By how many…

A: The questions are based on the concept of PH calculations. we have to determine how much by pH…

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: Calculate the pH of the following solution when the 2 reagents are mixed:  15.00mL of 0.550M KOH…

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Q: A solution is prepared by mixing 80 mL of 0.2 M KH2PO4 and 120 mL of 0.2 M K2HPO4 . What is its pH?

A: Moles of KH2PO4 ( acid), = 0.2 M × 0.08 L = 0.016 mol   Moles of K2HPO4 (base), = 0.2 M × 0.120 L =…

Q: What is the pH of a solution made by mixing 25.00mL of .1500M NaOH with 25.00mL of .2500M HClO2?

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Q: Prepare 250ml of the following buffer solutions. Concentration Buffer solution pka Desired ph 0.50 M…

A: Buffers are the solution which tend to retain their pH when small amount of acid or base is added to…

Q: A mixture of a 25.0-mL 0.100 M HCl solution and a 15.0-mL 0.250 M NaOH solution was used. The…

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Q: Calculate the pH of a solution made by mixing 50.0 mL of 0.10 M NaOH and 25.0 mL of 0.10 M HCI.…

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Q: You have been observing an insect that defends itself from enemies by secreting a caustic liquid.…

A: The relation given by Henderson Hasselbalch for calculating the pH of the weak acid solution is…

Q: calculate the pH of a solution prepared by mixing 456mL of 0.10M HCl with 285 mL of 0.15M NaOH.

A: The pH depends on -log of concentraion of H+ ion present in the solution.so first of all we have to…

Q: Codeine, C18H26O3N is the active ingredient in the sedative Paregoric™ and is a weak Brønsted base…

A: A solution involving weak alkali with conjugate salt is addressed as "alkaline buffer solution". On…

Q: The pH of a solution prepared by mixing 50.0 mL of 0.125 M NaOH and 30.0 mL of 0.125 M HNO3 is…

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Q: What is the pH of a solution made by mixing 10.00ml of 0.10M acetic acid with 10.00 ml of 0.10M KOH?…

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