Your lab partner produces a 250 mL solution by adding 45 mL of 1.85 M KOH to a solution of   0.58 M chloroacetic acid. What is the pH of the original solution A?

Q: A1 liter solution is made by adding 0.8603 moles NaH2PO4 and 0.4973 moles Na2HPO4. What will be the…

A: Given, NaH2PO4 = 0.8603 mol Na2HPO4 = 0.4973 mol [HCl] = 6.0287 M VHCl = 1.5857 mL = 0.0015857 L

Q: volume of 0.028 M NaOH must be added to 0.75 L of 0.0900 M HCl to achieve a pH of 9.00?

A: Total 2.445 L of 0.028 M NaOH solution is needed.

Q: A patient is suspected of having low stomach acid, a condition known as hypochloridia. To determine…

A: Milimoles = Molarity × Volume.Number of milimoles of acid is equal to number of milimoles of base in…

Q: You have 100mL of 0.1M HCI in a beaker and you begin to add NaOH to the beaker. Consider the…

A:

Q: A student forgot to label two bottles of aqueous base. One contained KOH and the other C6H5NH2. What…

A: KOH is a strong base and the other C6H5NH2 is a weak base. Strong base is 100% ionized in aqueous…

Q: Calculate the pH of a solution formed by adding 5.00 grams of solid sodium formate, NaCHO₂, to 180.0…

A:

Q: 1. A 0.270 M solution of sodium formate, used in several fabric dyeing and printing processes, is…

A: Given that : Molarity of sodium formate (HCOONa) = 0.270 M Volume of this sodium solution = 75.0 mL…

Q: A students mistakenly titrates 25.0 mL of a 0.20 M H2SO4 solution, with 62.0 mL of a 0.15 M NaOH…

A:

Q: If a buffer solution is made from 300.0 mL of 2.2 M pyridine salt mixed with 350.0 mL of 2.0 M…

A: Given, A buffer solution of 300.0 mL of 2.2 M pyridine salt mixed with 350.0 mL of 2.0 M pyridine.…

Q: What is the pH of the solution that results from adding 42.8 mL of 0.150 M HCl to 23.9 mL of 0.650 M…

A: Here we are required to find the pH of the buffer solution

Q: How many mL of a 5.0-M solution of sodium borate must be added to a 200-mL solution of 50 mM boric…

A: Pka of boric acid = 9.14    Cl+ consider x ml  5.0 M sodium borate is  required.   PH  = Pka +…

Q: ion

A: Given data set: Volume of solution = 1700 ml = 1.7 L 1.35 M CH3COOH and 2.40 M CH3COONa. 85 ml of…

Q: 50 ml of an ammonia solution with a specific weight of 1.42 and a purity of 52.2% mixed with another…

A: For the 1st ammonia solution total volume 50 ml, specific weight = 1.42; purity of the solution is…

Q: Suppose you have just added 100.0 mL of a solution containing 0.5000 moles of acetic acid per liter…

A: Moles of NaOH added to acetic acid  = Molarity x volume (L) = 0.5000 M x 0.4000 = 0.2000 moles…

Q: 50 ml of an ammonia solution with a specific weight of 1.42 and a purity of 52.2% mixed with another…

A: pH is negative logarithm of Hydrogen ion concentration

Q: A patient is suspected of having low stomach acid, a condition known as hypochloridia. To determine…

A: Given:Volume of HCl (V1) =20.00 mL =0.020 LMolarity of KOH (M2) = 1.70 x 10-4 MVolume of KOH (V2) =…

Q: An aqueous solution of 0.1 M hydrochloric acid with a volume of 200 milliliters is mixed with 100 mL…

A: Moles of HCl taken = molarity of HCl X volume of HCl solution taken in L Since molarity of HCl = 0.1…

Q: Calculate the pH of a solution formed by adding 9.00 grams of solid sodium formate, NaCHO₂, to 350.0…

A:

Q: There is 50 mL of NaOH with a concentration of 0.5mol in a burette. 5ml of vinegar is added to 45mL…

A: Here 5ml of vinegar solution is added to 45 ml of distilled water. Hence total volume of dilute…

Q: If a buffer solution is made from 300.0 mL of 2.2 M pyridine salt mixed with 350.0 mL of 2.0 M…

A: Buffer solution pH is determined using Henderson–Hasselbalch equation. Which relates salt…

Q: 1) Describe how you would prepare a 500.00 mL portion of 0.25M calcium hydroxide solution starting…

A: Since you have posted multiple questions, we are entitled to answer the first only. Please repost…

Q: 10.0 cm³ of a solution of a strong acid with a pH of 3 is added to a volumetric flask and the total…

A: Given data: Volume of acid before adding water = 10 cm3 = 0.01 dm3  pH before dilution = 3 Volume of…

Q: If a buffer solution is made from 300.0 mL of 2.2 M pyridine salt mixed with 350.0 mL of 2.0 M…

A:

Q: A laboratory technician wants to determine the aspirin content of a headache pill by acid-base…

A: a. Given information: Concentration of HA = 0.015 M Ka of aspirin= 3 ×10-4

Q: 1.50 g of a weak acid (molar mass 176) is dissolved in 50.0 mL of water, and the resultant solution…

A: The amount of weak acid dissolved in 50.0 mL of water is 1.50 g. The amount of 0.300 M NaOH used…

Q: A student mixes 300 mL of 0.100 M NaOH with 100 mL of 0.300 M H,SO4. The resulting solution has a pH…

A: Given: The Volume of NaOH, (V1) = 300 mL The Volume of H2SO4, (V2) = 1 00 mL. The molarity of NaOH,…

Q: 6. A stock solution of barium hydroxide was prepared by dissolving 4.71 g of barium hydroxide in…

A: A stock solution of barium hydroxide is prepared by dissolving 4.71 g of barium hydroxide in 550 mL…

Q: A mixture of 100 ml of 0.025 M NH3 and 150 mL of 0.025 M NH4Cl was made. For this problem you need…

A: Number of moles of a chemical compound can be calculated by multiplying molarity of the solution…

Q: A 4.50−g quantity of a diprotic acid was dissolved in water and made up to exactly 250 mL. Calculate…

A: Given,Diprotic acid = 4.50 g in 250 mLKOH = 12.0 ml of 1.00 M.

Q: 1. A 25 ml solution of 0.20M HNO3 was mixed with 20 ml of 0.40M HCI at 25 °C. The solution is then…

A: The question is based on the concepts of solutions. we are adding acids and base to the solution.…

Q: 1. Write the complete chemical equation for the reaction of a solution of sodium hydroxide and…

A:

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: 0.25 mol of benzoic acid and 0.15 mol of sodium benzoate are dissolved in 1 L of water. What is the…

A:

Q: A 0.1276-g sample of a monoprotic acid (molar mass-1.10 x 102 g/mol) was dissolved in 25.0 mL of…

A: Given that, 0.1276 g of a monoprotic acid is dissolved in 25 mL of water. The molar mass of that…

Q: 20 ml of 0.2 M NaOH solution be treated with 40 ml of 0.2 M acetic acid solution to give 60 ml.…

A: An acidic buffer is defined as an aqueous solution that consists of a mixture of a weak acid and its…

Q: A 4.50-g quantity of a diprotic acid was dissolved in water and made up to exactly 225 mL. Calculate…

A: Given : Mass of acid = 4.50 g Volume of solution made = 225 mL = 0.225 L…

Q: A buffer solution is formed by adding 0.320 moles of solid sodium lactate, NaC₃H₅O₃, to 500.0 ml of…

A: Concentration of sodium lactate, NaC₃H₅O₃,  = 0.32/0.5 = 0.64M Concentration of lactic acid, HC₃H₅O₃…

Q: A student was given a 0.15 M solution of an unknown diprotic acid H2A and asked to determine the Ka1…

A: The first acid dissociation constant of diprotic acid is calculated as,

Q: 1. HCl is a strong acid, which means that it dissociates completely in water. What is the pH of a…

A:

Q: If 10 mL of 0.1 M hypothetical acid, HA, is added with 10 mL of 0.1 M of the salt of its conjugate…

A: Answer: The mixture of acid HA and its conjugate base XA will be a buffer solution.

Q: A 0.018 M solution of salicylic acid, HOC6H4CO2H, has the same pH as 0.0038 M HNO3solution. (a)…

A: Given information,        Concentration of salicylic acid, HOC6H4CO2H = 0.018 M

Q: جموعة ٥ : 50 ml of an ammonia solution with a specific weight of 1.42 and a purity of 52.2% mixed…

A: For the 1st ammonia solution total volume 50 ml, specific weight = 1.42; purity of the solution is…

Q: What do you call an aqueous solution that has a large amount of NH4Cl and NH3 dissolved in it? Write…

A: a solution which resist in pH change value upon addition of small amount of strong acid or base…

Q: If you titrate 25.00 mL of 0.05 M NaOH with 0.025 M HCl, a.what is the hydronium ion concentration…

A: Given: Concentration of NaOH = 0.05 M Volume of NaOH solution = 25.00 mL = 0.025 L…

Q: You add 5.00 mL of 0.200 M NaOH to 50.00 mL of pure water, and to this mixture you then add 10.00 mL…

A: Given: Volume of NaOH V1 = 5.00 mL Concentration of NaOH M1 = 0.200 M Volume of solution after…

Q: Calculate the pH of a solution prepared by mixing 20.5 mL of a 0.500 M sodium flouride solution with…

A: Given-> Volume of NaF =20.5 ml Molarity of NaF = 0.500 M Volume of HF = 32.5 ml Molarity of HF…

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: Calculate the volume of 4.2 M acetic acid needed to prepare 100 mL of a 0.10 M acetic acid (CH3COOH)…

A: Given :- Initial Concentration M1 = 4.2M Final Concentration M2 = 0.10M, Final Volume, V2 = 100mL To…

Q: onsider two lakes, North Lake and South Lake. North Lake has a granite base, and South Lake has a…

A: Given  CO2 = 400ppmv , T = 25°C , P =1.0 atm Nitric acid doesn't rot, collect, or biodegrade. Assume…

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.