Relate Graham's Law of Effusion and Diffusion to the cell membrane's semi-permeability. Explain the mechanism how the said law affects the transport within and among the cells. Draw a simple diagram that clearly shows the mechanism.

Q: Commercial nitric acid is 16.0 M HNO3(aq) and has a density of 1.42 g mL-1. What is the mole…

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Q: Explain the difference between an ideal and a non ideal solution.

A: An ideal solution is the one which obeys Raoult’s law over the entire range of concentration and it…

Q: DESCRIBE THE PREPARATION OF 1.0L OF NaOH SOLUTION THAT HAS A NORMALITY OF 0.25N AND (MW NaOH =…

A: The preparation of 1 L of 0.25 N NaOH solution has to be given,

Q: Why is aluminum foil punctured in an experiment to determine the partial weight of volatile liquids?

A: In Dumas method for the determination of the molecular weight of a volatile liquid, the Erlenmeyer…

Q: A 5.17 molal aqueous nitric acid solution was prepared. (Density of nitric acid = 1.51 g/mL, density…

A: Molality = Number of moles of solute/Mass of solvent in Kg Concentration (%v/v) = 100 x Volume of…

Q: The partial molar volumes of two liquids A (M = 241.1 g mol1) and B (M = 198.2 g mol1) in a mixture…

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Q: One tenth of a kg of an aqueous solution of HCl is poured into 0.2 kg of an aqueous solution of…

A: The mass of HCl and water are calculated as,

Q: Measurement of which colligative property is preferred for determination of molar mass of…

A: The colligative properties are those properties of solution which depends upon number of solute…

Q: What is the equivalent of 1) 6.26 µg/g in ppm 2) 7 ppb in µg sol/L 3) 6.2 x 104 ppm in %w/v

A: Data given:  1) 6.26 µg/g in ppm is equivalent to ?  2) 7 ppb in µg sol/L is equivalent to ?  3) 6.2…

Q: Define the term Osmatic pressure?

A: Osmotic pressure is a colligative property. The properties of dilute solutions which depend only on…

Q: What is the molality of sodium ions in a solution containing 50.0 g of Na2SO4 [MW = 142] in 250.0 g…

A: Molality (m), or molal concentration, is the amount of a substance dissolved in a certain mass of…

Q: At 25 °C, the mass density of a 50 per cent by mass ethanol–water solution is 0.914 g cm−3. Given…

A: Mass of ethanol present in 100 g of solution = 50 g Mass of water present in 100 g of solution = 50…

Q: 3. The partial molar volumes of propanone (acetone) and trichloromethane (chloroform) in a mixture…

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

Q: A mixture of acetone and chloroform has a mole fraction of 0.4693 in chloroform. In this mixture,…

A: Step : 1           Calculate the volume of the mixture.

Q: . Calculate the mass of oxygen (in mg) dissolved in a container of 5.0OL of vater exposed to a…

A: we know partial pressure of O2   given by PO2=XO2×Pwhere XO2 =mole farction of o2=0.21…

Q: At 20 °C, the mass density of a 20 per cent by mass ethanol–water solution is 968.7 kg m−3. Given…

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Q: 9. A certain drug with molecular weight, M = 110.5 g/mol, has a surface tension y = 8.2 x 10³…

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Q: 5) what is the mole fraction, Xof methanol in aqueous solution that is 20.0% (m/m) methanol (32.0…

A: a. Mass percentage of methanol (m/m) % = 20.0 % Mass percentage of methanol (m/m) % = mass of…

Q: The colligative properties of solutions depend on the total concentration of solute particles,…

A: Van 't Hoff factor: The van 't Hoff factor is the ratio between the actual concentration of…

Q: The volume of a NaNO3 solution in 1000 g water at 25 °C and 1 atm can be described using the…

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Q: Calculate the mole fraction of each compound in a mixture 95.0 g ethanol, CH3CH2OH and 5.0 g water,…

A: Given : Mass of CH3CH2OH = 95.0 g And mass of water i.e H2O = 5.0 g Molar mass of CH3CH2OH = Atomic…

Q: Calculate the mole fraction of HCl in a 7.10% (by mass) aqueous solution. A. 7.28×10−2 B. 3.64×10−2…

A: 7.1% by mass solution of HCl means that 7.1 g of HCl is present in 100 g of solution. The mass of…

Q: The normality of 6 M H2SO4 is equal to 16 12 8. 6. O O O

A: The molarity of an acid or base can be converted to normality by multiplying the molarity by the…

Q: Which of the following statements is correct?   a. Solvation releases energy. b. Difference in…

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Q: 3. What is the mole fraction of an isopropyl alcohol(C2H7OH) alcohol made by 70% by mass? a.) What…

A: The 70% by mass of alcohol means 70 g of alcohol in 100 g of solution. The moles of isopropyl…

Q: A 9.386 M aqueous solution of sulfuric acid has a density of 1.5091 g cm-3. Calculate the molality,…

A: Molality is equal to the number of moles of solute dissolved per kg of solvent. It is denoted by m.…

Q: What is the mole fraction of 25% sucrose solution (C₁2H2011)? Find its molal concentration.

A: Molality is defined as the ratio of the number of moles of solute to the mass of solvent in kg. 25%…

Q: State Kohlrausch law of independent migration of ions. Why does the conductivity of a solution…

A: Kohlrausch law of independent migration of ions is introduced by the German chemist Friedrich…

Q: HCl and NH3 react to form a white solid, NH4Cl. If cotton plugs saturated with aqueous solutions of…

A: HCl and NH3 forms NH4Cl.  Taking aqueous solution of HCl and NH4OH, HCl and NH3 gases are released…

Q: Explain the importance of knowing the effect of the concentration on the colligative properties of a…

A: Colligative properties are those properties which depend upon the number of solute particles or the…

Q: Elaborate the difference between Dalton's and Raoult's Law

A: We have daltons law and Raoults law, Raoult law deals with the vapour pressure of solids or liquids,…

Q: Would freezing point depression be different for a volatile solute than for a nonvolatile solute?…

A: The freezing point(fp) of a solution is less than the freezing point of the pure solvent.That is a…

Q: Determine the normality of the following solutions: 95g PO4(-3) in 100mL solution

A: To determine the normality of a 95g PO4(-3) in 100mL solution.

Q: You are given a 27 % (w/v) solution of psicose.                                                Molar…

A: Given, Note: 1 μmoles = 10-6 moles moles of psicose = 450 μmoles = 450 × 10-6 moles % (w/v) of the…

Q: Calculate the normality of 0.2M Na2CO3 (M.wt = 106).

A: Normality is a measure of concentration  equal to the gram equivalent weight divided by volume of…

Q: What is the kinetic property observed in suspension? What is the optical property observed in…

A: It is a heterogeneous mixture of solid particle suspended in a solvent.  The solid particles are…

Q: The following solute structures can be described as derived from the CCP (closed cubic packing)…

A: An ionic crystal is a crystalline ionic compound. They are solids consisting of ions bound together…

Q: Choose the colligative property that utilize the ideal gas equation in its calculation. Select one:…

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Q: Which of the following will INCREASE the diffusion coefficient of a solute by the largest amount?…

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Q: Which of the following liquids are likely to be miscible with water: 1-propanol CH3CH2CH2OH, carbon…

A: Concept: "Same dissolve same." The polar solvent dissolves polar solute and the nonpolar solvent…

Q: Which of the following conditions is NOT necessary for diffusion to occur? a.) a difference in…

A: Diffusion is the movement of particles from an area of high concentration to an area of low…

Q: diffusion

A: Dear student this question is related to basic chemistry.

Q: d on the following data, determine the molecular weight of the unknown solute.  Note the "initial…

A: Since your question has multiple sub-parts, we will answer the first three sub-parts for you. If you…

Q: Haemoglobin, the red blood protein responsible for oxygen transport, binds about 1.34 cm3 of oxygen…

A: The given data contains, Volume of blood = 100 cm3. Concentration of Hb = 150 g dm-3.