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?

Q: You add 5.00 mL of 0.100 M NaOH to 25.00 mL of pure water, and to this mixture you then add 10.00 mL…

A:

Q: If 8.5 grams of solid NaC2H3O2 (MW = 82.03 g/mol) are added to 100.0 mL of water, how many mL of 1.0…

A: Answer:- Henderson-Hasselbach equation :- This equation is used for the determination of pH or pOH…

Q: A buffer solution is 0.316 M in CH;COOH and 0.275 M in CH3COON . If K, for CH;COOH is 1.8×10³ , what…

A: Concentration of CH3COOH=0.316M Concentration of CH3COONa=0.275M Ka of CH3COOH=1.8×10^-5 pH=?

Q: Calculate the pH of the resulting solution when 30.0 mL of 0.500M HBr is added to 25.00 mL of 1.00 M…

A:

Q: The K, of hydroxylamine, NH,OH, is 1.10 x 108. A buffer solution is prepared by mixing 100.0 mL of a…

A: A buffer solution is a mixture of a weak acid and its conjugate base or a weak base and its…

Q: How many g of sodium formate should be added to 250 ml of 0.2 M hydrochloric acid solution to obtain…

A: Given,  Volume of HCl = 250 mL  Molarity of HCl = 0.2 M  pH = 4.3  Mass of sodium formate in g = ?

Q: Two acids are mixed in solution: 0.20 M of HBr and 1.50 M of HBRO (Ka = 2.3 x 10-9). What is the…

A: HBr is a strong acid while HBrO is weak acid and therefore, the resulting pH will be due to HBr,…

Q: When 42.6 mL of 0.100 M Ba(OH)2 is mixed with 98.6 mL of 0.200 M HCI, the reaction goes to…

A: A numerical problem based on pH concept, which is to be accomplished.

Q: Calculate the pH of the resulting solution if 31.0 mL of 0.310 M HCl(aq) is added to 21.0 mL of…

A: pH is a measure of hydrogen ion concentration. The mathematical equation to calculate pH is given…

Q: If 0.090 mole of solid NaOH is added to 1.0 liter of 0.180 M CH;COOH, what will the pH of the…

A:

Q: 4. 6.0mL of 0.10M HCI(aq) is mixed with 2.00mL of 0.50M NAC2H3O2(aq) and diluted with 20.0mL of…

A: First Calculate mole of each substance by MOLARITY×volume Then Calculate limiting reagent which have…

Q: 2.) 175.0 ml of 0.00200M HNO3 solution is added to 400.0 ml of 2.50×10-4M HClO4 solution. Calculate…

A: The pH of a solution can be determined by the negative logarithm of hydrogen ion concentration. It…

Q: Calculate the pH of the following solution when the 2 reagents are mixed: 25.00mL of 0.550M KOH…

A:

Q: Calculate the pH at the stoichiometric point when 75 mL of 0.099M propionic acid is titrated with…

A: Moles of propionic acid = 0.075L*0.099 = 0.0074Mole (75mL= 0.075L) Mole acid (0.0074Mole) = moles of…

Q: If a buffer solution is 0.260 M in a weak base (Kb=8.4×10−5) and 0.480M in its conjugate acid, what…

A:

Q: In an experiment, a student titrated 50.0mL of 0.100M HC2H3O2 with 0.100M NaOH(aq). Calculate the pH…

A: Volume= 50.0 mL Concentration of HC2H3O2( CH3COOH)=0.100M Concentration of NaOH=0.100M pH of the…

Q: flour is the pH of 9 0.25M aqueong Solution of HBTO affected the addition of an anqueous solution of…

A:

Q: Calculate the pH of the resulting solution if 35.0 mL0.350 M HCl(aq) is added to 25.0 mL of 0.450 M…

A: Consider the neutralization reaction between HCl and NaOH as follows; HCl aq + NaOH aq → NaCl s +…

Q: When 32.3 mL of 0.100 M Ba(OH)2 is mixed with 197.2 mL of 0.200 M HCl, the reaction goes to…

A: The reaction result in the formation of Barium chloride. The pH of a solution is the negative…

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) Calculate [H3oʻ], [C2H3O2¯ ] and [HC2H3O2] for a solution prepared by mixing 35.0 mL of o.10 M…

A: The number of moles of acetic acid in 35.0 mL of 0.10 M acetic solution and the number of moles of…

Q: Calculate the pH of a solution that is 0.080 M  pyridine (pKb = 5.25) and 0.285 M  pyridinium…

A: The pH of a solution measures the concentration of hydrogen ions in a solution, which indicates the…

Q: If a buffer solution is made of 12.2 g of benzoic acid (C6H5COOH) and 7.20 g of sodium benzoate…

A: Given : buffer solution with mass of benzoic acid = 12.2 g And mass of sodium benzoate = 7.20 g…

Q: A solution is formed by adding 6.00 grams of solid potassium acetate, KC₂H₃O₂, to 200.0 ml of…

A: Answer: Basic nature of the solution will be the outcome of the hydrolysis of acetate ion which will…

Q: A 25 Celsius aqueous solution is made by adding 2.31 liters of 0.348 M NaNO2 to 3.36 liters of 0.118…

A: Interpretation: The given question is based on calculation of pH of a given buffer solution. Concept…

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: During the titration of 50.00 mL of a 0.289 M solution of propanoic acid ( HC3H5O2 ) with 0.155 M…

A: The balanced equation is HC3H5O2 (aq) + NaOH (aq) ----------> NaC3H5O2 (aq) + H2O (l)

Q: 100.0 mL of a 0.200 M H3PO4(aq) solution is titrated with 325.0 mL of a 0.100 M NaOH(aq) solution.…

A:

Q: 6. Calculate the pH of the resulting solution when 20.0 ml of 0.25 M HCI is added with 20.1 ml of…

A: Using formula mixing of solutions:- Mmix.=M1V1+M2V2/V1+V2 After calculating [H+]=Mmix. Then use…

Q: A solution is made by mixing 50 mL of 2.0 M K2HPO4 and 25 mL of 2.0 M KH2PO4. The solution is…

A: The relation between the pH of aqueous solution and acid-dissociation is given by the…

Q: A 1.00-L solution is made from 0.130 moles of C6H5NH2 (Kb = 3.9 × 10–10) and 0.170 moles of…

A: Given data,Moles of C6H5NH2=0.130molesMoles of C6H5NH3Cl=0.170molesVolume=1.00LKb=3.9×10-10

Q: What is the pH of a solution prepared by mixing 45.0mL of 0.183 M KOH and 65.0mL of 0.145 M HCL?

A: Moles of HCl = 65 x 10-3 L X 0.145 = 0.009425 mol Moles of KOH = 45 x 10-3 X 0.183 = 0.008235 mol

Q: If 26.5 mL of 4.7 ✕ 10-4 M HI is added to 35.0 mL of 4.4 ✕ 10-4 M KOH, what is the pH of the…

A: Given :  Volume of HI (V1) = 26.5 mL Molarity of HI (M1) = 4.7 × 10-4 M Volume of KOH (V2) = 35.0 mL…

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

A:

Q: An aqueous solution contains 0.329 M methylamine (CH3NH2). How many mL of 0.305 M perchloric acid…

A:

Q: calculate the pH of the solution obtained by titrating 100 ml of 0.1M CH3COOH solution with 10 ml of…

A: Applying concept of PH determination. PH= - log[H+]

Q: What is the pH of a solution that is prepared by adding 30.23 mL of 1.77 M NaOH to 0.646 L of 0.476…

A: THIS WILL FORM AN ACIDIC BUFFER AS THE AMOUNT OF WEAK ACID(HN02)WILL REMAIN IN EXCESS AFTER REACTION…

Q: If 14.0 mL of glacial acetic acid (pure HC2H3O2; Ka=1.8×10−5) is diluted to 1.50 L with water, what…

A: Given data Volume of acetic acid = 14.0 mL density of acetic acid = 1.05 g/mL Total Volume of…

Q: Calculate the pH of a solution obtained by mixing 500.0 mL of 0.10 M NH3 with 200.0 mL of 0.15 M…

A:

Q: (b) If solution A is 0.50 L 0.20 M NH4CI, calculate the pH of the mixed solution.

A:

Q: A solution is made by adding 0.320 g Ca(OH)2(s), 35.0 mL of 1.10 M HNO3 and enough water to make a…

A: Given,  Mass of Ca(OH)2 = 0.320 g  Volume of HNO3 = 35.0 mL  Molarity of HNO3 = 1.10 M  Final volume…

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

A:

Q: A buffer solution contains 0.254 M NaHSO3 and 0.348 M Na2SO3. If 0.0285 moles of hydroiodic acid are…

A: Calculate the initial pH of the given buffer solution using Henderson-Hasselbalch equation,

Q: a) Calculate the pH of a buffer solution made by combining 3.S09g of NaOAc •3H,0 (Sodium Acstehe

A: Given: Mass of NaOAc.3H2O = 3.509 g Volume of HOAc =8.8 mL Volume of water added= 55.6 mL

Q: A solution was prepared by mixing 50.0 mL of 0.10 M HCl and 25.0 mL of 0.25 M NaOH. What is the pH…

A:

Q: What is the pH of a buffer solution that is 0.24M NH3 and 0.20M NH4Cl?

A: Given,Concentration of NH3 = 0.24 MConcentration of NH4Cl = 0.20 MAmmonia (NH3), is a weak base with…

Q: 125 mL of 0.3 M HC1 was mixed with 320 mL of 0.15 M NaF. What is the pH of the solution after…

A: Given data : Concentration of HCl = 0.3 M Volume of HCl = 125 mL Concentration of NaF = 0.15 M…

Q: A 1 liter solution is made by adding 0.4976 moles NaH2PO4 and 0.2000 moles Na2HPO4. What will be the…

A:

Q: calculate the pH of the solution obtained by titrating 100 ml of 0.1 M CH3COOH solution with 10 ml…

A: The number of millimoles of CH3COOH can be calculated as: Millimoles of CH3COOH=Molarity×Volumein…

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.