Why do raisins float in mineral water with salt compared to distilled water with salt (where it submerges)?

Q: What is the molarity of the solution prepared by concentrating, by evaporation of solvent, 755 mL of…

A: First determine the mass of solute. mv%=mass of solutevolume of solution ×100%0.200%=mass of…

Q: Explain how hydrophilic and hydrophobic colloids can be stabilized in water?

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Q: What physical properties can be deduced about the unknown substance in order for it to be soluble in…

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Q: What is a nonvolatile nonelectrolyte? Why is using this type of solute the simplest way to…

A: Solution- Non-volatile means a substance which do not form vapors easily and thus possess a low…

Q: Arrange the following compounds in order of increasing solubility in water: O2, LiCl, Br2, CH3OH…

A: When the amount of solute is dissolved in a solvent to make a homogenous mixture are known as…

Q: 4. Assuming complete ionization of the solute, what would one expect the boiling point of a solution…

A: The mass of water is 125 g which is equal to 0.125 kg. The number of moles of solute present in the…

Q: Discuss the Energetics of Solution Formation?

A: Given term,       Energetics of Solution Formation

Q: Osmotic pressure is important in biological processes. What do you think will happen if a salt…

A: Osmosis is a process in which the solvent molecule travels from the solution which has lower solute…

Q: Why do aqueous inorganic solutions exhibit a boilingpoint rise over the boiling point of pure water?…

A: The special property exhibited by all known solvents that tends to raise their boiling points is…

Q: a sulfuric acid solution has a density of 1.85 g/cc. calculate the molality and normality of 2 liter…

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Q: Is the medium of a colloidal dispersion comparable to the solvent of a solution yes or no and why?

A: The colloidal solutions are a mixture in which the substances are regularly suspended in a fluid.…

Q: How many grams of pyrazine (C4H4N2) would have to be dissolved in 1.50 kg of carbon tetrachloride to…

A: Colligative properties: The colligative properties are those properties of solutions that depend on…

Q: Calculate the mass (in grams) of magnesium chloride that would be needed to prepare 150 mL of a 20%…

A: The Given data- The volume of the aqueous solution = 150 mL The density of the solution = 1.1 g/mL…

Q: Water softeners often replace calcium ions in hard water withsodium ions. Because sodium compounds…

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Q: Calculate the mass (in g) of magnesium chloride (MgCl,) that would be needed to prepare 150 mL of a…

A: Given data contains, Volume of the solution is 150 mL. Mass percentage of aqueous solution of the…

Q: Would octane dissolve in water? Why or why not?

A: No, octane will not dissolve in water.    We know that like dissolve like. And also octane is non…

Q: The Environmental Protection Agency has set the limit for arsenic in drinking water at 0.010 ppm. To…

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Q: Explain Use the properties of seawater to describe the characteristicsof mixtures.

A: To find: Explain Use the properties of seawater to describe the characteristics of mixtures

Q: In how many grams of water should 20.10 g of potassium nitrate (KNO3) be dissolved to prepare a…

A: The concentration of a solution says about the amount of solute that is present in the solvent…

Q: What is the boiling point of a 0.33 m solution of a nonvolatile solute in benzene?

A: Required information: Boiling point of benzene = 80.1°C        Kb value of benzene = 2.65 °Cm

Q: Water softeners often replace calcium ions in hard water with sodium ions. Since sodium compounds…

A: Calcium is more beneficial to human health than sodium because calcium is a necessary part of the…

Q: How does the solubility of a solid in a liquid depend on temperature? How is this temperature…

A: The solubility of a solid in a liquid generally increases with increase in temperature. When…

Q: 0.0250 grams of O2 dissolves in 0.500 L of water at 1.05 atm of pressure.  If the partial pressure…

A: The idea here is to determine the molar solubility of oxygen gas at 25°C and 1.05 atm pressure so…

Q: A certain liquid X has a normal boiling point of 90.80°C and a boiling point elevation constant =Kb…

A: Boiling point of a liquid is the temperature at which its vapor pressure becomes equal to the…

Q: How do we calculate the osmolality of ionic compounds?

A: To explain: How to calculate the Osmolality of the ionic compounds.

Q: How many grams of NH3 must be dissolved in 345.4 mL of water to obtain a solution with a mole…

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Q: Waste water from a cement factory contains 0.22mg of Ca2+ ion and 0.066mg of Mg2+ ion per 100.00 mL…

A: The term molarity or concentration has been defined as the ratio of number of moles of the solute to…

Q: Which solid is most soluble in water at 60°C? A. sugar (CaH2Ou) B. KNO, C. NANO, D. NaBr E. Ce:(SO.)

A: Solubility is defined as the maximum amount of a substance that will dissolve in a given amount of…

Q: Applications of Colloids?

A: Colloids: The non-crystalline and homogeneous substances that consisting of one substance dispersed…

Q: Calculate the mass (in grams) of magnesium chloride (MgCl2)that would be needed to prepare 150 mL of…

A: Given - Density of the solution = 1.1 g/ml Volume of 20 % solution of MgCl2 = 150 ml Mass of 150 ml…

Q: ОН H

A: Study of hydrophobic interactions in steroids it is determined that testosterone is insoluble in…

Q: What is meant by coagulation of a colloidal solution? Name any method by which coagulation of…

A: Coagulation is a process of aggregating together the colloidal particles so as to change them into…

Q: What is the freezing point of a 1.85 m solution of a nonvolatile nonelectrolyte solute in…

A: Given information: Molality of solution = 1.85 m

Q: The van der Walls attraction between similar colloidal particles in a solvent is always bigger than…

A: Vanderwaals forces are the interactive forces between similar molecules of a matter and depend on…

Q: At what temperature would a 0.00190 M solution of glucose in water exhibit an osmotic pressure of…

A: Since the osmotic pressure is given by  Osmotic pressure = i X CRT where i = Van't Hoff factor  C =…

Q: do pockets of liquid water form when when a salt solution evaporates

A: The process in which physical state of water changes from liquid to gas under the application of…

Q: Would you expect Vitamin C to be soluble in methanol? Explain in terms of intermolecular bond…

A: Interpretation -  To tell about would you expect Vitamin C to be soluble in methanol and explain it…

Q: Calculate the osmotic pressure exerted by a 300mL aqueous solution containing 0.97 mol of dissolved…

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Q: What is the molality of a solution with a percent mass of 33.5% of sodium perchlorate?

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Q: Would you expect glycol to have significantly different Colligative Properties then MgCl2 when…

A: Colligative properties are those properties of solutions which depend only on the ratio of the…

Q: Indicate whether each statement is true or false: (#13.13, p.604) a. A solute will dissolve in a…

A: a) A solute will dissolve in a solvent if solute-solute interactions are stronger than…

Q: Why is Tyndall effect shown by colloidal solutions?

A: Tyndall effect is the dispersion of particles by light and its often used to differentiate the true…

Q: Why is naphthalene (C10H8) more soluble than CsF in benzene?

A: In general, polar compound dissolves in polar solvents and non-polar compound dissolves in non-polar…

Q: What molal solution is made when adding 90 grams of K2SO4 to 0.55 kg of water?

A: Morality is defined as number of moles of solute dissolved in per kg of solvent.  It is denoted by…

Q: Calculate the solubility of oxygen in water at the top of Mt. Everest where the atmospheric pressure…

A: 1- First calculate the partial pressure of O2 : We know that,  p( partial pressure) = ( total…

Q: Why are density and viscosity of a solution not considered colligative properties?

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Q: What mass of cesium bromide must be added to 0.500 L of water (d = 1.00 g/mL) to produce a 0.739 m…

A: Molality is the total moles of a solute contained in a kilogram of a solvent. Molality is also known…

Q: What is the freezing point of the 0.33 m solution of a nonvolatile nonelectrolyte solute in benzene…

A: The value of kf for benzene is -5.12 oC/m. Molality of solution = 0.33 m