Description Solvent Solute Liquid laundry bleach: sodium hypochlorite 5.25%, inert ingredients 94.75% (water)     Rubbing alcohol: isopropyl alcohol 70% (water)     Hydrogen peroxide: 3% hydrogen peroxide (water)     After-shave: SD alcohol, water, glycerin, fragrance, menthol, benzophenone-1, coloring

Q: The boiling point of water is 100.0°C at 1 atmosphere. How many grams of copper(II) chloride (134.5…

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Q: Room temperature:   294.0 K Barometric pressure:   763.0 mmHg Vapor of water:   18.6 mmHg Volume of…

A: Given that,Barometric pressure = 763mmHgVapour pressure = 18.6 mmHg

Q: Which compound from this list do you expect has the highest allowed concentration in drinking water…

A: Water is an important natural resource. The need of the hour is to conserve the quality and quantity…

Q: What is the boiling point change (in unit of °C) of the benzene liquid when 0.53 mole of naphthalene…

A: Freezing point of a liquid is defined as the temperature at which a liquid boils and converted to…

Q: A student observes crystals at the bottom of a flask that contains a solution of LiBr in water.…

A: Interpretation: We have to check whether crystals will be forming or not when LiBr is taken in…

Q: How many moles of solute are dissolved in 0.015848 kg of cyclohexane if the solution has a molality…

A: Given that, Mass of cyclohexane (solvent) = 0.015848 kg Molality of the solution = 0.542 mol/kg

Q: A KCI3 solution contains 105.5 g of KCI dissolved in 250.0 g of water at 60 degree C. Is the…

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Q: The latent heat of vaporization of water at 100 oC is 539 kcal/kg. Calculate the boiling point of…

A: The boiling point of water can be determined by the Clausius-Calyperon equation. It can be given as:…

Q: : Determine the lime and soda ash dose, in mg/L as CaO and Na2CO3, to soften the following water to…

A: Given , Final hardness = 80.00 mgmL Purity of lime = 94 % Purity of soda ash = 93 %

Q: Assume that a water sample tested has 150 mg/L total hardness. The Mg hardness is 50 mg/L,Ca…

A: Total Hardness = Hardness due to Magnesium + Hardness due to Calcium OR Total Hardness = Temporary…

Q: What were the differences between solvents that dissolved aspirin the best/worst? Explain with…

A: Aspirin is a polar molecule containing COOH and -OCOCH3 groups. Therefore, polar solvents with…

Q: At 25.0 degrees Celsius the Henry’s Law constant for nitrogen trifluoride (NF3) gas in water is 7.9…

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Q: The formula for a psoriasis lotion is as follows: Coal Tar Solution 5 mL Salicylic Acid Urea aa 3.1%…

A: 7pint = 3312 ml Psoriasis lotion contain 5% salicylic acid.

Q: [Topic: Percent Concentration ] How would we prepare 250mL of a 4.4% w/v KBr solution in water?…

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Q: 1. A patient has been admitted to the hospital with severe dehydration due to constant vomiting and…

A: We know that 60% of our body is made up of water. But water alone can't be injected into our veins.…

Q: Calculate the quantities of hydrocortisone powder and aqueous cream BP required to prepare 65g of a…

A: Given that,  Strength of 65 g hydrocortisone cream = 2.5%

Q: A chemistry student weighs out 45. g of an unknown solid compound X and adds it to 750. mL of disti…

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Q: Identify if each solution is considered aqueous or organic.: Water, acetone, 1.0 M NaOH, 1.0 M HCl,…

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Q: etermine the change in temperature of the system after dissolution of the various salts in water.…

A: 1.) Temperature can be can be calculated using the final temperature and initial temperature.  2.)…

Q: A student wants to determine how different factors affect the rate of dissolving a solid in water.…

A: The factors that affect the rate of dissolving solid in water are: Particle size-smaller the size…

Q: What is the purpose of treating water with fluoride during water purification? to remove solids to…

A: Water purification technique can be done by the addition of fluoride ions.

Q: Which aqueous solution would you add to a mixture of aniline (structure on the left) and naphthalene…

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Q: Consider substances A and B. Substance A is soluble in hot water, but not in cold water. Substance B…

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Q: A 3.0-g sample of a nonelectrolyte was isolated from beef fat. The molecular weight of the compound…

A: Given data: Normal boiling point of ethyl alcohol (Tbo) = 78.41 ℃ Kb of ethyl alcohol = 1.22 ℃/m…

Q: Classify the following solvent. ○ polar, aprotic O nonpolar, protic ○ polar, protic ○ nonpolar,…

A: Polar protic solvent and polar aprotic solvent :

Q: 5740 grams of 97% Copper sulfate pentahydrate dissolved in water up to 1-L volume. Parts per…

A: Given that: Mass of copper sulfate pentahydrate = 5740 g Mass % = 97% Volume = 1 L

Q: Room temperature:   294.0 K Barometric pressure:   763.0 mmHg Vapor of water:   18.6 mmHg Volume of…

A: From the balanced chemical reaction of dissociation of hydrogen peroxide, number of moles of O2…

Q: Room temperature:   295.9 K Barometric pressure:   769.0 mmHg Vapor of water:   21.1 mmHg Volume of…

A: The balanced chemical reaction of dissociation of hydrogen peroxide is given by

Q: Which statement is INCORRECT about an aprotic solvent?   It cannot interact with water through…

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Q: Part III: Determination of Saturated Solutions Temperature (°C) Molarity (dilute) Molarity…

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Q: Place 8.5 g of sodium nitrate and 7.5 g of potassium chloride  in a 100 ml beaker and add 25 ml of…

A: Instead of "polarity", molarity is assumed as there is no sense of the word polarity in the given…

Q: True or False: Carboxylic acids containing six or more carbon atoms per molecule are more soluble in…

A: The question is based on the concept of solubility.  solubility follows a basic principle "like…

Q: You are asked to compound one-hundred 2.5 mL syringes of 2.5% testosterone cream. What quantity of…

A: Since there is confusion of the given volume. I am not clear weather it is 2.5 ml or 102.5 ml so I…

Q: How do sodium ions in NaCl affect the sollubility of soap in water?

A: We need to know that soaps are the sodium salts of fatty acids. Ends of the soaps are hydrophilic…

Q: Average Water Hardness (mg CaCO, / ml water sample) Average Water Hardness (mg CaCO3 / L water…

A: Given the hardness of water sample (from three trials), average value can be calculated.

Q: Room temperature:   295.9 K Barometric pressure:   769.0 mmHg Vapor of water:   21.1 mmHg Volume of…

A: The ideal gas law equation is expressed as:

Q: Explain how soap removes oil from your hands, when you wash them with water. Provide details about…

A: Soap molecules are composed of long chains of hydrogen and carbon atom . Soap can easily remove…

Q: Describe the preparation of a 700 mL of 4.36% (w/v) aqueous ethanol (C2H; OH, 46.1 g/mol). Weigh ___…

A: Molar mass of CH2OH = 46.1 g /mol

Q: A 50X stock of Bradford reagent would have to be diluted to a 1X working solution prior to use. How…

A: The solution whose concentration is known and used as a standard solution is called a stock…

Q: pressure 1.40 g of a polyethylene sample was dissolved in enough benzene to make 100. mL of…

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Q: Suppose that you have a 1:1 mixture of compounds that is comprised of compound X and compound Y. You…

A: The amount of solute which can be dissolved in given amount of solvent is termed as its solubility.…

Q: What are the basic components of a cleansing system (surfactant-based as a shampoo or foaming…

A: The effective foaming ability of these surfactants makes the better foam. These foams can change the…

Q: Which chemical or functional group helps a molecule dissolve in water?  NH2 (amino group) fats…

A: Water is a polar solvent and it can dissolve an ionic or polar covalent compound.

Q: Part 1. One gram of caffeine dissolves in 55 ml of water; 7 ml of dichloromethane (DCM); 530 ml of…

A: 1.) To calculate solubility, we would use mass of caffeine and volume of solvent.  2.) To extract…

Q: you have 10mL of a 60% stock dye solution. what is the maximum amount of a 12% dye solution you…

A: Initial concentration of solution, C1 = 60% Initial volume of 60% solution, V1 = 10 mL Final…

Q: Calculate the following for each run: the initial molarities of I- and H2O2 (from the solutions…

A: This experiment is based on iodine-clock reaction in which iodide ion reacts with hydrogen peroxide…

Q: The mixture contains benzoic acid, 2-napthol, and naphthalene. Dissolve the mixture in the polar…

A: Atom economy is a measure of the efficiency of a chemical reaction in utilizing the atoms of the…

Q: Rank these substances in order of increasing solubility in water. Substances (4 items) Solubility…

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Q: Need help ASAP!! thanks! The minimum volume of boiling water is used to dissolve 1.50 g…

A: As solublity of acetanilide in boiling water is 5g/100mL. It mean  Amount of boiling water require…