Q: A. What is the pH of a 0.15 M solution of acetic acid?
A: The pH of a solution is a measure of its acidity or basicity. It is a scale from 1-14. A lower value…
Q: An acid with a p K a of 8.0 is present in a solution with a pH of 6.0. What is the ratio of the…
A: According to Henderson-Hasselbalch equation pH = pKa + log [A-]/[HA] Given values…
Q: What is the molarity of a 30% solution of NaCI
A: Let us first define the percentage solution : 30% NaCl solution= 30% w/v solution = 30g/100 ml.Since…
Q: what is the molar concentration of 80g of glucose dissolved in sufficient water to make two liters…
A: We know, the molecular weight of glucose is 180.1 g/molThe molar concentration of 80g of glucose…
Q: If an aqueous solution has a hydroxyl ion concentration of 1 x 10-6 M, what is the concentration of…
A: Water dissociates into hydrogen ions and hydroxyl ions and at neutral pH (pH =7) the numbers of…
Q: What us the formula for pH? note [H+} is hydrogen ion concentration and [K+] is potassium ion…
A: Introduction pH is a measuring scale which is used to determine acidity or basicity of a solution.…
Q: What are the pH values for the following solutions? (a) 0.1 MHCl (b) 0.1 M NaOH (c) 0.05 M HCl (d)…
A: pH is the scale used to specify the acidity or basicity of an aqueous solution. It is the negative…
Q: Water 1H2O2 is more polar than hydrogen sulfide 1H2S2. Explain.
A: Polarity is the separation of electric charge leading to a molecule or its chemical groups having an…
Q: A solution with a pH of 6 has a ____ difference in H ion concentration than a solution with a pH of…
A: pH is chemical scale that specifies the acid or basic strength of a solution. Pure water has a pH of…
Q: Determine the pH for the following solutions. {H3O+}=2.4x10^-2 M
A: p in pH denotes negative of the logarithm(-log). So pH is negative logarithm of molarity of H pH…
Q: Titration of a 12.0 mL solution of HCl requires 22.4 mL of 0.12 M NaOH. What is the molarity of the…
A: Molarity is considered as the moles of solute present in the solution.
Q: You need to prepare an acetate buffer of pH 5.43 from a 0.621 M acetic acid solution and a 2.95 M…
A: At equilibrium 0.40875 - x moles of acid x moles of its conjugate base. Initial moles of CH3COOH…
Q: What is the pH of a 0.40 M ammonia solution?
A: Ammonia, NH3, is a colorless gas having a distinct odor. It has of nitrogen and hydrogen atoms, made…
Q: What is the approximate pH of a solution labeled 6 x 10-5 M HBr? * 4.2 O 4.5 5.8 O 9.8 O 8.2
A: pH is the measure of the strength of H+ ion or Hydronium ions in solution. pOH is…
Q: What is the pH of a solution that has an H¯ concentration of 1.75 x 10° mol/L
A: pH is the measure of the acidity or basicity of a medium. It is measured as the negative logarithm…
Q: What is the pH of the buffer 0.17 M Na2HPO4/0.25 M KH2PO4?
A: Buffer is the mixture of strong acid and salt of that acid (base). If we add either strong acids or…
Q: 4. 25.0 mL of an unknown acidic solution was titrated with 42.7 mL of a 0.15 M NaOH solution. What…
A:
Q: A 500 mL sample of a 0.100 M formate buffer, pH 3.75, is treated with 5 mL of 1.00 M KOH. What is…
A: The buffer solution consists of an acid and a salt of the conjugate base of the acid in a solution.…
Q: What is the m/v % concentration of a solution of LiCl with a density of 2.07 g/mL in 40.0 mL of…
A: Given Values: Mass or weight of LiCl = 2.07 grams The volume of the solution = 40 ml The density of…
Q: Calculate the concentration of Y4-ion in 0.0100 M EDTA solution at pH 6. α4 = 2.2 x 10-5 for pH 6.
A: Introduction Fraction of EDTA in the form of Y4- is given as αY4-= [Y4-][EDTA]
Q: What is the pH of 1.77 M HCI solution? Your Answer: Answer
A: pH: It uses to measure the acidity or basicity of a solution. It is measured on a scale of 1 to 14…
Q: What is the pH of a solution with a hydroxyl ion (OH-) concentration of 10^-10M?
A: pH is defined as the negative decimal logarithm of concentration of hydrogen ion in a solution. It…
Q: What is the pH of a 6.7 × 10⁻⁶ M HBr solution?
A: Hydrobromic (HBr) acid is considered a strong acid, which means it gets completely dissolved into an…
Q: What is the ratio of concentrations of acetate ion and undissociated acetic acid in a solution that…
A: pH is a measure of the hydrogen ion concentration in a given solution. It is scale and the value…
Q: How many grams of copper sulfate would you need to make 5 L of a 7 M copper sulfate solution?
A: Molarity is defined as the moles of solute per litre of the solution. Hence, our target is to make…
Q: What is the final concentration if 239mL of a 3.9M glucose solution is diluted to a volume of 842mL?
A: To solve this we will use the formula - M1xV1= M2xV2
Q: You need to prepare 1L of a 5×TE stock solution (1×TE buffer:10mM Tris,1mM EDTA).How much of Tris…
A: The mole is used as a unit in the SI system to quantify the amount of substance present. One mole is…
Q: How many milliliters of 0.1M aqueous Sodium Hydroxide solution can be prepared from 10 gm ?of Sodium…
A: The molarity (M) is the amount of a substance dissolved in a certain volume of a solution. It is…
Q: How do I prepare a 1 M ammonium acetate buffer with a pH of 7. I have solid ammonium acetate, .1 M…
A: Ammonium acetate buffer: Ammonium acetate buffer can be prepared from the reaction of ammonia with…
Q: What is the ratio of TRIS/TRIS-H+ in a TRIS buffer at pH 8.7?
A: TRIS is tris aminomethane. It is an organic compound. It is mostly used as a component of buffer…
Q: What is the final volume of NaOH solution prepared from 100.0 mL of 0.500 M NaOH if you wanted the…
A: The solution is a homogenous mixture of two or more components mixed together. It has two…
Q: What is the pH of a 5.9 × 10⁻⁶ M HBr solution?
A: Hydrobromic acid, HBr is an extremely strong acid, one that ionizes completely ionizes completely…
Q: Calculate the concentration of Y4-ion in 0.0100 M EDTA solution at pH 6. for pH 6, α4 = 2,2 x 10-5
A: Ethylene diamine tetra-acetic acid (EDTA) is an aminopolycarboxylic acid with the formula…
Q: What is the pH of a cleaning solution with a [H3O*] = 7.4 x
A:
Q: If 10g of salt was mixed in 1L water. What percent solution will this be.
A: According to the question,Mass of solute = 10 grams = 10gVolume of water = 1L = 1000 mili Liters…
Q: s the pH of a 0.0001 M solution of hydrochloric
A: [H+]=0.0001=10-4 pH=-log[H]+ pH=4
Q: An aqueous solution contains 0.448 M dimethylamine ((CH3)2NH). How many mL of 0.240 M hydroiodic…
A: Buffer solution contains a mixture of weak acid and its conjugate base or weak base and its…
Q: An aqueous solution is 3.50 % by mass hydrochloric acid, HCl, and has a density of 1.02 g/mL. The…
A: Mole fraction is expressed in the terms of moles. It is can be calculated from the formula that is…
Q: A solution has a hydrogen ion concentration of 0.01 mol/L. What is its pH? What is its hydroxide ion…
A: Given Values: [H+] = 0.01 Mol/L = 1×10-2 M pH is a measure of negative logarithm of hydrogen ion…
Q: How many grams of HCl are needed to make 10 uL of a 0.005g/mL acid solution?
A: Given Values: Volume of HCl = 10 μl Concentration of HCl = 0.005 gml
Q: How would you prepare 3L of a basic buffer having a pH of 8.6 where the concentration of base is…
A: A buffer solution is any solution that is a mixture of weak base and its conjugate acid or…
Q: explain the characteristics of hartman's solution
A: Hartmann’s solution or the Ringer’s lactate solution is a solution of sodium lactate, calcium…
Q: What is the pH of a buffer prepared by adding 30.0 mL of 0.25 M acetic acid (CH₂COOH) (K. = 1.7 x…
A: The pH of a buffer prepared by adding 30.0 mL of 0.25 M acetic acid to 125.0 mL of 0.15 M sodium…
Q: What is the molarity of 25.79 g of Cl2 dissolved in 500 mL of solution. (Hint: convert from grams to…
A: Molarity is the concentration of a chemical species of a particular solute in a solution in terms of…
Q: What is the pH of the following buffer mixtures? (a) 100…
A: Given values: (a) Volume of acetic acid = 100 ml Concentration of acetic acid = 1 M Volume of sodium…
Q: What is the pH of a buffer solution made by dissolving 0.10 mol of formic acid, HCOOH, and 0.10 mol…
A: Since a weak acid dissociates partially in an aqueous solution, the magnitude of dissociation is…
Q: An aqueous antifreeze solution is 45.0% ethylene glycol () by mass. The density of the solution is…
A: Hello, thank you for your question. This question is a chemistry question but we are providing you…
Q: What quality of zwitterions makes them desirable buffers?
A: A buffer is a solution that can withstand pH changes when acidic or basic components are added. It…
Q: What is the pH of a 0.25 M solution of acetic acid, Ka = 1.8 x 105. What percentage of the acid is…
A: Buffer solutions often are weak acid/strong acid and conjugate base. buffers resist the…
what is the pH of a solution with a H+ concentration of 1.44 x 10-3 M
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- What is the pH of an aqueous solution with {H3O+} = 6x10-12What is the pH of a 0.25 M solution of acetic acid, Ka = 1.8 x 105. What percentage of the acid is dissociated?What mass of sodium glycolate (NaC2H3O3) should be added to 400.0 mL of 1.00 M glycolic acid to produce a buffer solution with a pH of 4.00? Ka = 1.47 x 10-4. Please indicate the full solutions.
- How much water must be added to 300 mL of an aqueous solution of 0.2 M acetic acid in order to double the degree of ionization? Take the acid ionization constant of acetic acid to be 1.8 x 10-5.A 0.200 M solution of a weak monoprotic acid (HA) has a pH of 2.35. What is the value of K of this acid? a K =2.011e-4 a What is the percent ionization of this acid? Percent Ionization = .10 %What mass of sodium glycolate (NaC2H3O3) should be added to 400.0 mL of 1.00 M glycolic acid to produce a buffer solution with a pH of 4.00? Ka = 1.47 x 10-4
- If an aqueous solution has a hydroxyl ion concentration of 1 × 10-6 M, what is the concentration of hydrogen ion ([H+]) ? [H+] = 1.0 x10-5 MWhat is the pH of a solution that has OH– concentration of 10-9 M?Titration of a 12.0 mL solution of HCl requires 22.4 mL of 0.12 M NaOH. What is the molarity of the HCl solution?
- An aqueous antifreeze solution is 45.0% ethylene glycol () by mass. The density of the solution is 1.05. Calculate the molality, molarity, and mole fraction of the ethylene glycolWhat is the molarity of a 30% solution of NaCICalculate the concentration of Y4-ion in 0.0100 M EDTA solution at pH 6. α4 = 2.2 x 10-5 for pH 6.