How much sodium format (HCOONA, 68.0069 g/mol) do you need to add to 400. mL of 1.00 M formic acid for a pH 3.500 buffer? K = 1.77 x 10

Q: If the mass of a solution is 80g and the mass ratio of the solute is equal to 20%, calculate the…

A: Given, Mass of solution is 80 g. Mass ratio of solute to the solution is 20%. It represents for…

Q: Trisodium phosphate is to be recovered as Na3PO4·12H2O from a 35 weight percent  solution originally…

A: This question asks you to estimate the duty, cooling temperature, and product particle size…

Q: A salt solution stream flowing at 50 g/min contains 10% mass fraction NaCl. Calculate the molar flow…

A: Given that, The mass flow rate of the salt solution stream ms = 50 g/min The mass fraction of NaCl…

Q: Q1. A. From the following table, estimate the energy content based on organic components once and on…

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Q: 9. A student carried out a fractional distillation of an unknown binary (2-component) mixture from a…

A: Given is a graph, based on data from an experiment, in which 50 ml of the binary mixture was…

Q: A 17.13 g mixture of sugar (C12H22011) and table salt (NaCl) is dissolved in 199 g of water. The…

A: The mass of sugar and table salt, m = 17.13 g The freezing point f the solution, Tf = -3.90 °C The…

Q: In a coffee cup calorimeter, a student places 0.390 g of calcium, followed by addition of 50.0 mL of…

A: Given that: Mass of calcium, Ca= 0.390 g Molar mass of Ca= 40 g/mol Hence, Moles of Ca= massmolar…

Q: NaCI crystals are to be produced from 1000 kg of a solution containing 10% NaCI. 1 % KOH and 89%…

A: Given, 1000 kg of solution

Q: (High purity product; use of Kremser equation) An equimolar mixture of A and B is to be separated in…

A: The ideal stage is one in which existing vapor and incoming liquid are in equilibrium. The method is…

Q: Q5/ Find the number of milliliters of a solution which contains 0.2000 mole BaCl, in 500 ml solution…

A: The number of milliliters of a solution required is to be determined.

Q: 1 mL of sulfuric acid is dissolved in 499 mL of water. The molar mass of H2SO4 is 98 g/mol and its…

A: Given: Volume of sulfuric acid =1mL Volume of water =499mL molar mass of H2SO4 =98 g/mol density…

Q: Homework Q1:- prepare 0.7% potassium Chloride (KCI) in 0.3 liter ?

A: Given  X = 0.7 % Total volume (V) = 0.3 Liter Final volume (Vf) = ?

Q: The molar volume of pure methanol is 40 cc/mole. Also, the volume of a solution containing 1000 g of…

A: Given: The pure species volume of methanol (1) is given as V1 = 40 cm3/mol The volume of the…

Q: 27. Calculate the molarity of NaOH(40 g/mol) solution if 1w.25 mL qas used to tirate 0.2615 gram of…

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

Q: It is desired to reduce the 2% CO, in 23 Ib/sec of a natural gas stream using absorption in aqueous…

A: Absorption using diethylamine is used to reduce the CO2 concentration from the natural gas.  Natural…

Q: Calculate the bubble point temperature for a liquid hydrocarbon mix of 30% n-pentane and 70%…

A: The temperature at which a liquid-vapor mixture's first bubble of vapor appears when the temperature…

Q: Degree-of-freedom analysis Question 1 Strawberries contain about 15 wt% solids and 85% water. To…

A: Content of solids in strawberries = 15 wt%Content of water in strawberries = 85 wt%The residue…

Q: ) Determine the minimum mass of ethylene glycol (C2H¢O2) that must be dissolved in 14500 g water to…

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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 5,000-lb batch of 20 wt% aqueous MgSO4 solution is fed to an evaporative crystallizer operating at…

A: Given data: Amount of feed = 5,000 lb Composition of MgSO4 in the feed = 20 wt%  Operating…

Q: 1) Calculate the amount needed in grams to make five liters of a 0.175 M NaCl solution? Please show…

A: Since you have posted multiple independent questions in the same request, we will solve the first…

Q: Solve this using dimensional analysis. Show complete solution and report the answer in proper number…

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Q: 37°C using NaCl as diffusing solute, c1=1.0 * 10-4 gmol/cm³ and c2=5.0 * 10-7 gmol/cm, the mass…

A:

Q: An Erlenmeyer flask contains 41.40 mL of a hydrochloric acid. The solution is titrated and reaches…

A: Given  Volume of hydrochloric acid = 41.40 mL…

Q: Table 1. Answers in Item (a). Point Phases present Compositions (more volatile) Temperature, °C 2 3…

A: Given graph is T-x-y for butane-pentane system. The graph consists of three phases. They are liquid…

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: If the air (35 degrees celsius, 1 atm, 760 mmHg) contains 3% (volume fraction) water, what is the…

A: To calculate the relative humidity (RH) and the changes in water content with temperature, we start…

Q: Biochar is believed to be a good absorbent for various contaminants. In an isotherm experiment, a…

A: The Freundlich Adsorption isotherm is given as:  KF is adsorption capacity or constant and n is…

Q: A solution containing 2 Ib of salt per gal starts to flow into a tank of 50 gal of pure water at a…

A:

Q: One thousand kg/h of a 45 wt% acetone-in-water solution is to be extracted at 25oC in a continuous,…

A: a) The minimum solvent flow rate corresponds to an infinite number of equilibriumstages(1) Points…

Q: To analyze the alcohol content of a certain wine, a chemist needs 1.36 L of an aqueous 0.199 M K 2Cr…

A:

Q: An car anti-icing mixture is made by mixing equal volumes of ( E.G) (d = 1.114 g/mL, molar mass…

A: Note: Since we are entitled to answer only 3 subparts, we’ll answer the first three as no specific…

Q: b) At 25°C, S0 ml of saturated solution of benzoie acid requires 12.8 ml of 0.05 M NaOH to…

A: The neutralization reaction is taking place in the above mentioned question M1V1=M2V2

Q: Given the following dissolved oxygen data for an aeration test at 15° C with Cs - 9 mg/L, the KLa…

A: The KLa is given by: KLa=-ln9-1-ln9-710-1 minKLa=-0.1540 min-1

Q: A student is asked to standardize a solution of barium hydroxide. He weighs out 1.09 g potassium…

A: Given that- Mass of potassium hydrogen phthalate (KHP), [KHC8H4O4]=1.09 g Molar mass of KHP=204.22…

Q: 20 mL of a monoprotic acid solution with a pH of 2.7 is neutralized by the same volume of KOH…

A: Given, Volume of monoprotic acid solution = 20 ml pH of monoprotic acid= 2.7 Ka=4×10-5

Q: Compound A (Kow = 100) is dissolved in the 1L water, and its concentration is 50 mg/L. What is…

A: Kow is the partition coefficient of the compound that subjected to the solution containing n-octanol…

Q: Diffusion in Solids. Hydrogen at 0°C and 0.01 atm partial pressure diffuses through neoprene rubber…

A: Given data: Assuming A= Hydrogen, B= Neoprene DAB=1.03 x 10-10 m2s Solubility, S= 0.0151 m3m3 atm…

Units and Dimensions

Dimensions are the basic concepts of the measurement of quantities. Units are the means of expressing the dimensions. For instance, an area has a dimension of L2 and a unit of m2.