How many moles of analyte are present in 10 micromolar solution that occupies 1% of the length of 60 micrometer × 25 micrometer capillary?

Q: Give an example of an aerosol, a foam, an emulsion, a sol, and a gel.

A: Aerosol : It is colloid of fine solid particles , liquid droplets in air or  any other gas. Foam :…

Q: Which term refers to the the diffusion of water molecules through a selectively permeable…

A: There is always movement of molecule from the higher to lower concentration.

Q: What is the %v/v of 10.0 mL of CH3OH (methanol) dissolved in water to a volume of 40.0 mL?

A: The Percentage of the solutions can be in the form of weight by volume percentage, volume by volume…

Q: Which of the following will have an ideal van't Hoff factor (i) value of 1? A. NaNO3 B. Na3PO4…

A: Van't Hoff factor (i) is defined as the concentration of the particles formed when the solute is…

Q: How many grams of Na2S2O3 are needed to prepare 87.0 mL of a 5.00 %(m/v) Na2S2O3 solution?

A: The (m/v) concentration of a solution is calculated by using the following equation: m/v…

Q: What is the Normality of 250ml of 2.417M AL(OH), diluted to 500ml? 14.50N 3.63N 1.21N 4.83N

A: Given,  Volume of Al(OH)3 in mL = 250 mL  Molarity of Al(OH)3 = 2.417 M  Al(OH)3 diluted to volume =…

Q: Determine the type of solution when 900 grams of NaNO3 is placed in 750 ml at 50 °C. (T/I)

A: According to the solubility chart, Solubility of NaNO3 at 50 °C = 1160 g/L

Q: You dissolve 10.00 g of sucrose (C12H22O11) in 100.0 mL of water. What is the expected freezing…

A: Given,   10.00 g of sucrose (C12H22O11) dissolved in 100.0 mL of water. The freezing point of this…

Q: A normal saline drip is a NaCl solution that is isotonic to blood serum so that it does not affect…

A:

Q: Define the term Osmatic pressure?

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

Q: How many grams of water should be evaporated from 800 g of a 15% solution of a substance to increase…

A: The mass of the solution is = 800 g The mass percent of the solution is = 15 % The mass percent of…

Q: How many milliliters of a 0.1% (w/v) thimerosal topical solution should be used to prepare one-half…

A: Concentration is defined as amount of solute present per unit amount of solvent or solution.…

Q: For the following concentrations, determine the equivalent of a. 82 µg/mg albumin in ppm b. 5.4 x…

A: a. 1 ppm = 1 mg/L 1 L = 1000000 mg 1 mg = 1000 ug So, 1 ppm = 1000 ug / 1000000 mg = 1/1000 ug/mg =…

Q: )Which of the following statements about facilitated diffusion is FALSE? It goes up its…

A: We are given some questions regarding diffusion but due to company policy I am supposed to answer…

Q: How many milliliters of an 80% (v/v) solution of isopropyl alcohol would you need to make 876 mL of…

A:

Q: What is the mass of NaOH required to make a 2.5 molar solution (2.5 moldm-3)?

A:

Q: In the order: Add 30 mEq to calcium gluconate to 1L D5 1/4NS. 1) How many ml of calcium gluconate…

A: Given,Calcium gluconate 15% w/v

Q: What are the mole fraction and the mass % of a solution made by dissolving 0.50 g KI in 0.500 L of…

A: Mass of KI = 0.50 g Volume of water = 0.500 L                              = 0.500 × 1000 mL…

Q: The density of grain alcohol is 0.789 g/mL. Given that thedensity of water at 48C is 1.00 g/mL, what…

A: The specific gravity of grain alcohol has to be given,

Q: The solubility of phthalic acid in water is 0.54 g/100 mL at 14°C and 18 g/100 mL at 99°C.What is…

A: Given : Solubility of phthalic acid in hot water i.e at 99°C = 18 g/100 mL water = 0.18 g/mL water.…

Q: Which of the following statements is not true about liquid-liquid extractions.     Non-polar…

A: Liquid-liquid extraction also known as solvent extraction is the method used to separate liquids on…

Q: 5. Why does slow distillation result in better separation of two liquids than fast distillation?

A: Distillation is a separation technique in which liquid components are separated  bu virtue of the…

Q: What is the hydrogen ion concentration of the interstitial fluid with a pH of 7.4?

A: We know that:            pH  = -log [H+]

Q: What mass of sucrose (C12H22O11) is required to prepare 4.6L of a 0.4M solution?

A: Mass of sucrose required = 629.81g

Q: Describe the following processes:(i) Dialysis(ii) Tyndall effect

A: The solution is made of solute and solvent. The solvent is the major part of the solution hence…

Q: The cryoscopic constant is dependent on the following factors: I. IMFA present in the solutes II.…

A: Solution is made up of solute and solvent. Solute is present in small amount and solvent is present…

Q: Which method of determining salinity is least likely to be used by current oceanographers

A: The concentration of salt present in the sea-water is termed as salinity. The salinity is measured…

Q: For the solutions below, choose the one that is WELL matched in terms of the type of major…

A: D. Solution of NaI in water: Dipole-Dipole It is the only well matched combination.

Q: Which of the following statements is not true about liquid-liquid extractions. O Non-polar solutions…

A: "Like dissolves like" is the thumb rule for dissolution of solute in solvent. This means highly…

Q: Calculate the freezing point of a 0.100 m aqueous solutionof K2SO4, (a) ignoring interionic…

A:

Q: A solution of polystyrene in benzene contains 10g/L the equilibrium height of the column of solution…

A: Any substance's molar mass defines the substance's mass available in every 1 mole of that substance.…

Q: What is the gravitational force of attraction for two protons  separated by 75 pm?

A: The gravitational force of attraction for two protons separated by 75 pm is to be calculated.

Q: . How many grams of Potassium Chlorate (KClO3) are needed to make a saturated solution at 30ºC?

A: Solution is of three types:- Saturated solution:- Saturated solution is the maximum amount of…

Q: What is a semipermeable membrane?

A: To explain what is a semipermeable membrane.

Q: Calculate the number of mL of a 500ppm solution needed to prepare 100mL of a 50 ppm solution.

A: Given:Concentration (C1) = 500 ppm.Volume (V2) = 100 mL.Concentration (C2) = 50 ppm.

Q: What are the mole fraction and the mass percent of a solution made by dissolving 2.25 g of KI in…

A: Mass of KI = 2.25 gVolume of water = 0.400 LDensity of water = 1.00 g/mL

Q: A solution of sugar (C12H22O11) in water is 20% sugar by weight. What is the molecular fraction of…

A: Given : weight % of sugar C12H22O11 = 20 %. Assuming 100 g of solution.

Q: Why don’t soap micelles coagulate and form large glob-ules? Is soap more effective in freshwater or…

A: The cleaning agents that are made by reacting alkali like sodium hydroxide with some naturally…

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

A:

Q: diffusion

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

Q: A 0.1 m solution of Sucrose(C12H22011) contains 2 kg of water. What is the amount (weight) of…

A:

Q: Rank the liquids in order of their capillary rise, from smallest (1) to largest (4) v glycerin v…

A: The rise of a liquid in a capillary tube is due to surface tension.  The liquid rises into the…

Q: 4. How many grams of “lead are contained in 6.0 X 10' g of blood if the lead content of that sample…

A: Give, the content of lead in blood sample = 0.62 ppm We can write it as , the content of lead in…

Q: How many milliliters of a solute should be used to prepare 1 pint of a 15% (v/v) lotion?

A: