An aqueous solution contains 0.239 M ascorbic acid (H2C6H606) and 0.103 M nitric acid. Calculate the ascorbate (C6H6O62-) ion concentration in this solution. [CGH606] = mol/L. %3D

Q: Calculate the amounts of surfactant (molecular mass = 200 g/mol) adsorbed onto 3.0 % activated…

A: Actual surfactant amount=0.030 molar Surface tension=45mN/m 3% activated charcoal Molecular…

Q: Determine amount of oxygen in mg/L that will be required to completely oxidize 1.67 x 10^-3 M of…

A: Oxidation of glucose to CO2 and H2O is:

Q: On a basis of 1000 mL of 20% CuSO4 soln. a) How much (CuSO4.5H2O) crystals must be added to 2.0 L of…

A:

Q: When Ca(OH)2 is dissolved in water, it is known that the enthalpy of solution (AHsoln) is -16.2…

A: Given data: Enthalpy of solution = -16.2 kJ/mol Mass of calcium hydroxide = 54 g Volume of water =…

Q: Calculate the molality of a 4.21 M ethanol (C₂H5OH) solution whose density is 0.9479 g/mL.

A: Given : Molarity of solution =4.21 M density = 0.9479 gml WE have to find out Molality of solution.…

Q: I have a vitamin supplement which has 5 mg of Vitamin A (Chemical name: Retinol, formula C20H30O)…

A:

Q: Nickel ion (Ni") and hydroxide (OH) are in equilibrium with solid Ni(OH)2 in a 1-Liter solution that…

A: Ni(OH)2↔ Ni +2 + 2 OH-1                     x mol/L   2x mol/lit At equilibrium ,     Ksp=(Ni+2)…

Q: ions. A saturated aqueous solution of magnesium hydroxide (Mr = 58.3) contains 0.42 g of Mg(OH)2 in…

A: The objective of the question is to calculate the pH of a saturated aqueous solution of magnesium…

Q: What is the pH of an aqueous solution consisting of 0.070 M formic acid (HCOOH) and 0.070 M sodium…

A: Formic acid is a weak acid with dissociation constant Ka = 1.8 X 10-4  And since we have weak acid…

Q: Aqueous sulfuric acid (H,SO,) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium…

A:

Q:

A: Given: Weight of HA = 1.90 g Volume of Ca(OH)2 =  38.6 mL Cocentration of Ca(OH)2 = 0.253 M

Q: Thermal pollution from industrial wastewater causes the temperature of river or lake water to…

A: The solubility of oxygen in water at different temperatures. To Calculate the molarity of Oxygen at…

Q: The Ksp of calcium fluoride (CaF2) for the reaction: CaF2(s) =Ca2+ (ag) + 2E°(aglis

A:

Q: If 22.5 g of NaOH is added to 0.800 L of 1.00 M Zn(NO₃)₂, what mass in grams of Zn(OH)₂ will be…

A: Given reaction: 2NaOH(aq)+Zn(NO3)2(aq)→Zn(OH)2(s)+2NaNO3(aq) Mass of NaOH added = 22.5g 0.800L,…

Q: Gaseous ethane (CH,CH,) will react with gaseous oxygen (0,) to produce gaseous carbon dioxide (CO,)…

A: Write the reaction between CH3CH3 and O2 as follows: CH3CH3 + 72O2 → 2CO2 + 3H2O  1 mole of CH3CH3…

Q: Divalent manganese reacts with oxygen according to the following chemical reaction: Mn 2 + 1/2 O2…

A:

Q: An experiment is carried out by adding an Alka-Seltzer tablet with mass 25.6 g to a sample of…

A: The reaction of Alka-Seltzer is carried out with water. In case of chemical reaction mass of…

Q: Which of the following aqueous solutions is likely to have the lowest freezing temperature? Link to…

A: Answer is e. Mg (NO3)2  Lowest freezing temperature because it has 3 ions when dissolves in water.…

Q: Q: Automotive antifreeze consists of ethylene glycol, CH2(OH)CH2(OH), a nonvolatile non…

A: Given: T = 37 0C, Vs = 1200 ml, Kf = 1.86 0C/m Assume that you have 1000 g of solution. Then, you…

Q: ow many L of .174 M HCl do you need to add to 12.034 g of potassium iodoacetate in .250 L solution…

A: Given: Solution: 12.034g 0.250L potassium iodoacetate  Molarity of HCl = 0.174M Final buffer pH =…

Q: A solution of sodium thiosulfate is standardized by dissolving 0.1210 g KIO3 (214 g/mol) in water,…

A: given : 0.1210 g KIO3 in water molarity of Na2S2O3=?

Q: Consider a mixture of methanol (55%), formaldehyde (23%) and a variety of other solvents. If the…

A: a) Given data: Methanol (55%) Formaldehyde (23%) and 22 % are a variety of other solvents. Let the…

Q: Calculate the amount in grams of sodium chloride (NaCl; Mol wt: 58.5), potassium chloride (KCI: Mol.…

A: Disclaimer: Since you have asked multiple question, we will solve the first question for you. If you…

Q: QUESTION 1 The gas-phase mass transfer coefficient for the evaporation of a drop of ethyl alcohol in…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Derive the differential equation that describes the desorption in a plug flow basin (Hint: write a…

A: To derive the differential equation that describes the desorption in a plug flow basin

Q: If 0.300 mol of an unknown acid, HY, is dissolved in enough water to make 1.00 L of solution, find…

A: Write the reaction for the ionization of HY as follows: HY → H+ + Y-   Ionization constant, Ka =…

Q: EXAMPLE 4-4 Calculate the analytical and equilibrium molar concentrations of the solute species in…

A:

Q: stock solution of 12.0 M nitric acid (HNO3) is available to you. You have been told to make a 2.37 M…

A: As it is given in the question that we have M1=12M HNO3. Using V2=20.5L of stock  solution, we have…

Q: Assume that the permeability of oxygen in the alveoli is P=4x10-8 cms-1. The P O2 in alveolar air is…

A:

Q: lodic acid is added to 29.4 mL of calcium sium hydroxide is required to reach neutra original…

A: Given that  The volume of the hydrochloric acid V1 = 36.7 mL. Molarity of the hydrochloric acid M1 =…

Q: For the following reaction, 15.3 grams of chlorine gas are allowed to react with 8.06 grams of water…

A: 1. Reaction:Cl2 + H2O →HClO3+ HClwrite balanced equation:3 Cl2 +3 H2O → HClO3 + 5HCl 2. Calculate…

Q: A calorimeter contains 33.0 mL of water at 14.5 °C. When 2.10 g of X (a substance with a molar mass…

A: In first question, volume of the water is given and mass of the substance added is also given.…

Q: 4 You set up a reaction with Gallium metal in excess hydrochloric acid at 28 degrees Celsius. It…

A: Given: T = 28 deg C P = 0.996 atm PH2O = 0.0372 atm V = 171 mL Chemical Equaltion:…

Q: The pH of a 0.10 M solution of formic acid HCO 2 H is 2.39. a. Calculate the K a of the acid. b. If…

A: Given pH of a 0.10 M solution of formic acid HCOOH = 2.39 To find  a. Ka of formic acid b. chemical…

Q: A saturated liquid feed of 500 mol/hr containing 40 mole % water is to be fractionated at 101.325kPa…

A: A mixture of water and n-butanol is separated into distillate and bottom product in a multistage…

Q: The vapor pressure of pure water at 25C is 23.8mmHg. What is the pressure over a solution that…

A: mass of water = 50 g mass of glycol = 50 g MW of water = 18 g/mol MW of glycol = 62.07 g/mol VP of…

Q: Table Q4 shows the solubility of liquid trichlorohexane in toluene (also liquid) at equilibrium at…

A: A binary mixture of liquid trichlorobenzene and toluene is given.pressure, ,Also a table with…

Q: Consider a binary solution for which the vapor pressure (in torr) of one of the components (say…

A: Given,

Q: Carbonic acid (H2CO3) is a weak acid and is therefore in equilibrium with bicarbonate (HCO3-) in…

A: weak acid and its conjugate base or weak base and its conjugate acid solution is known as buffer…