28. why liquids like mineral oil or acetone are not good at dissolving salts, or why mineral oil and acetone molecules do not stick together as well as water molecules.

Q: If you have 6 mL of acetone, how much water is needed to be mixed in to make a 7.5% acetone-water…

A: Given, 7.5 % acetone-water solution

Q: A 150.0g solution contains 1.17mg of sodium. What is the concentration in parts per million (ppm)?

A: Given : Mass of solution = 150.0 g And mass of solute i.e sodium = 1.17 mg

Q: What is meant by the phrase "like dissolves like"?     Solutes will dissolve in solvents of…

A: Like dissolve means Same nature molecule interact with aamw nature molecule

Q: 52. This is the correct description about osmosis. * a. The movement of solvent molecules from an…

A: Q 52) Osmosis = Osmosis is the process of movement of solvent molecules to move from the area of…

Q: We dissolve 2.45 g of sugar in 200.0 g water. What is the mass percent of sugar in the solution?

A:

Q: Round off your answers in four decimal places. Use whole numbers for the molecular weights. 1.…

A: Concentration can be expressed in different terms. One of the terms used to measure concentration is…

Q: calculate mass percent of (Na3PO4) if 64.2g of (Na3PO4) is dissolved in 364.2 grams of water?

A:

Q: Write Short paragraph about heterogeneous coloidal solution.

A: A colloid is a heterogeneous mixture in which dispersed particles have an intermediate size of…

Q: Describe the Solution Process?

A: The solution has to be described.

Q: How many mL of your 1.75 M solution do you need to create 250. mL of a 0.5M MgCl2 solution? About…

A: for Dilution , Always use M1V1 = M2V2

Q: Explain why bubbles form on the inside surface of a pan when water is heated.

A: Bubbles form on the inside surface of a pan when water is heated, which has to be explained below.

Q: Where should heat be applied to a test tube? A) Bottom of the test tube. B) Top of the test tube. C)…

A: Only apply heat to the point at which the solution is highest in the tube.

Q: 8. What amount of water would you need to add to 45mL of a 5M solution to create a new solution with…

A: Applying formula M1V1=  M2V2

Q: A substance becomes less soluble as the temperature increases. Based on the graph below, which…

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

Q: 21. what would be the mass percent of a solution made by dissolving 22.1 g of NaCI in 33.4 g of…

A: We have to predict the mass percent of solution.

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: A solute which dissolves as much solute as possible at a given temperature in 100 grams of water…

A: Answer - The correct option is (A) Saturated solution  A saturated solution is a solution that…

Q: How does boiling point or freezing point affect the dissolution of a solid in water and its…

A: Please find your solution below : Boiling point of a liquid is defined as the temperature at which…

Q: What is meant by the phrase "like dissolves like"? O Solutes will dissolve in solvents of similar…

A: Solute It is  substance which has to be dissolved Solvent  It is a substance in which the solute is…

Q: 70 g of HCl is dissolved in 200 mL of water at 60°C. What type of solution is this? Question 14…

A: The maximum amount of solute that can be dissolved per liter of a solvent at a specific temperature…

Q: At 50°C, 100g of Sodium nitrate (NaNO3) is dissolved in 100 g of water. Is this solution saturated,…

A: Saturated Solution - this solution contains the maximum amount of dissolved solute for a given…

Q: Differentiate unsaturated, saturated from supersaturated solution.

A: Saturated solution cannot dissolve any more solute at a given temperature whereas unsaturated…

Q: A saturated solution is made by dissolving 44.4 g of a chemical in 200 mL of water. A second…

A: The nature of the solution whether unsaturated, saturated, supersaturated or hypersaturated can be…

Q: Twenty percent salt solution (%20)means that: 20 grams of salt dissolved in .A 100g of water .B 90g…

A: The solution composition can be described in mass percentage which shows the mass of solute present…

Q: This question is about boiling point elevation. What is the effect of solutes on the boiling point…

A:

Q: What type of contaminants, if any,  are found in the mountain water?

A: Type of contaminants in the mountain water.

Q: Consider a solution made by dissolving 331 g of sucrose in 116 ml of water at 45˚C. The vapor…

A: Given data are,  given mass of sucrose = 331 g given volume of water = 116 mL   density of water =…

Q: Explain the following using the principles of colligative properties. Antifreeze or a coolant is a…

A: The properties that depend on the number of solute particles are called colligative properties. When…

Q: Explain everything about Colloids in food, their reactions and how they affect food

A: A colloid system is a type of mixture in which one part is dispersed constantly throughout another.…

Q: How is concentration of solution used in everyday life? Give at least three examples.

A: The concentration of the solution defines the amount of solute dissolve the given amount of solvent.…

Q: What term issued to describe a substance that, when exposed to air, absorbs so much water from the…

A:

Q: b) k is a constant which depends on temperature and the nature of solvent. c) k is a constant only…

A: Given: The Kb for water = 0.52 K/m. The normal boiling point of water,(Tb0)= 373 K. The increased…

Q: Boil 50 mL of distilled water in the Erlenmeyer flask with a small flame and take the temperature.…

A: Basically boiling point is the temperature at which the vapour pressure of the liquid is the same as…

Q: Name three (3) important uses of solution.

A: Solution: A solution consists of solute and solvent or a solution is a mixture of two or more…

Q: A solution contains 11 ppb of toluene. This means that ___.

A: The ppb stands for parts per billion.  It is a unit used to measure a very small amount of quantity.…

Q: Oxygen is dissolved in a 40 % ethyl alcohol solution. This is classified as an a. solid solution…

A: Answer        Oxygen is dissolved in a 40 % ethyl alcohol solution. This…

Q: 12.58 grams potassium hydroxide dissolved in 100 mL ethanol. What is the molality and (%w/w)?

A:

Q: A sports drink contains 25 mg of magnesium in an 8.0-oz portion (1 fl oz = 29.6 mL). How many parts…

A: A solution consits of a solute and a solvent. A solute is defined as the component of the solution…

Q: Explain why a bottle of salad dressing that contains oil and vinegar has two layers.

A: The difference in electronegativity between the atoms gives rise to polarity in the molecule. It…

Q: Why is salt added to boiling water where pasta is being cooked? Explain what happens to the…

A: When another compound is added to water its boiling point will increases which is a colligative…

Q: Which of the following statements is true?     a)  The solubility of a gas is highly dependent on…

A: To identify the true statement.

Q: A water sample contains 300 mg of NaCl in 500 mL of solution. Calculate the parts per million of…

A: 1mole of NaCl given 1mole of Na+ and 1mole of Cl- ion  So, ppm of NaCl is equal to ppm of sodium.

Q: When 13.62 g (about one tablespoon) of table sugar (sucrose, C12H22O11) is dissolved in 241.5 mL of…

A: Given: Mass of solute i.e. C12H22O11 = 13.62 g. Mass of solvent i.e. water = 241.5 mL. And density…

Q: . A true solution is homogenous and said to have only one phase. What is a “phase”? 2. Do you think…

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

Q: A sports drink contains 15 g of soluble complex carbohydrates in 8.0 oz (1 fl oz = 29.6 mL). What…

A: Weight / volume percent is given by  (w/v)%=weight of the solutevolume of the solution×100

Q: What are the pharmaceutical uses of Hypertonic solution?

A: