Is a solution a homogeneous or a heterogeneous mixture?Give an example of an aqueous solution.

Q: if magnesium sulfate is mixed with water, will it form a homogeneous or heterogeneous solution? Why?

A: Given : We have to tell whether the mixture of magnesium sulfate and water is homogenous or not.

Q: Oil and water do not mix with each other. But when we add oil into water, oil floats over the water.…

A: Oil do not mix with water as oil is non polar and water is polar molecule and polar dissolve in…

Q: A dictionary definition of homogeneous is “uniform in composition throughout.” River water is a…

A: A dictionary definition of homogeneous is “uniform in composition throughout.” River water is a…

Q: write mixture if it is corresponds with mixture and compound if it is corresponds with compound.…

A: A question based on solutions that is to be accomplished.

Q: In a common laboratory experiment in general chemistry, students are asked to determine the relative…

A: To find: A method for separating two compounds of the given mixture.

Q: 1.Why is tap water a homogenous mixture, whereas distilled water is a pure substance?  Explain.

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

Q: A white powder mixture is placed into water. Some of the powder sinks to the bottom of the…

A: A mixture containing different phases and the composition is not uniformed throughout is termed as…

Q: A homogeneous mixture of two or more substances is called ________   a. a mess. b. a solution. c. an…

A:

Q: why is the arrangement of the constituent atoms or molecules more important in determining the…

A: Three state of matter solid , liquid and gas. The arrangement of atoms or molecules in the lattice…

Q: If you were to add 22 grams of medium to 1000 ml of distilled water. How many grams should you weigh…

A: Volume of water = 1000 mL  Mass of medium = 22 g  Mass required for 250 mL  = ?

Q: A student needs exactly 25.0 mL of a 1.5M solution of NaOH (molar mass: 40.00 g/mol). They have…

A: Given: Concentration of NaOH = 1.5 M Volume of solution required = 25.0 mL = 0.025 L…

Q: Substances:  1.Burning of Matches 2. Candle wick in burning of candle  3. Table Salt dissolved in…

A: Chemical Change : chemical change occur when a substance combined with another substance to form a…

Q: | Which one of the following is often easily separated into its components by simple techniques such…

A: The combination of two or more substances without the participation in the chemical reation yields a…

Q: Sublimation, dissolving, and filtration can only be carried out in:* soluble-substances in solution…

A: Here three process occur  1) Sublimation - This method is used to separate a substance that sublimes…

Q: What is the difference between a fractionation and a distillation?

A: The main difference between fractional distillation and simple distillation is the application in…

Q: In an Erlenmeyer flask, 25.75 grams of potassium nitrate was dissolved thoroughly to prepare a…

A: a.)   Moles of potassium nitrate = given mass ÷ molar mass = 25.75 ÷ 101 = 0.255 (mass = density X…

Q: Classify the following materials as substances or mixtures: absolute (pure) alcohol, milk (as…

A: A material can be classified as mixture or substance depending on their properties. The material…

Q: On the molecular level, what does it mean for a solid sample to be pure?

A: Applying concept of pure solid / substance via molecular basis explanation.

Q: Why a piece of wood is a mixture?

A: Wood is a substance made up of cellulose, hemicelluloses, and lignin.

Q: Which of the following mixture is NOT a solution? Milk Pepsi seawater O Fruit salad O Air

A: We should first have an idea of what a solution is. A solution is nothing but a homogeneous mixture…

Q: What do you understand by the term 'homogenous mixture'?

A: A homogeneous mixture is a mixture in which the composition is uniform throughout the mixture. All…

Q: When is sieving and fractional distillation a good method for separating mixtures? Cite an example.

A: Sieving- It is a technique for separating particles of different sizes by using a sieve. For…

Q: Mixtures and compounds vary in composition with the latter having a 1) compound. The components of a…

A: A mixture is a physical combination of two or more substances. For example, water and salt.

Q: When solid NaCl dissolves in water Na + cations and Cl anions leave the solid crystal and are…

A: NaCl is an ionic compound that is composed by sodium ions and chloride ions. It forms face-centered…

Q: Is air a solution or a heterogeneous mixture? What technique can be used to separate air into its…

A: Air is mixture of many gases like Nitrogen, Oxygen, Carbon-dioxide etc. These gases makes up the…

Q: Which of the following is best characterized as a heterogeneous mixture?  Group of answer choices…

A: Heterogeneous mixture.

Q: A heterogeneous mixture has uniformly distributed particles has not a uniform composition throughout…

A: Heterogenous mixture is the mixture in which the composition is not uniform throughout it means…

Q: Which hypothesis describes the behavior of molecules when a substance changes from a gas to a…

A: When a solid substance is heated then it transfers to its liquid state. If the liquid state is…

Q: Which action happens at the microscopic scale as the temperature of a substance decreases and it…

A: Given: The temperature of the substance is decreasing and it's freezing.

Q: An alcoholic fermentation was conducted in the laboratory using 280 g glucose as substrate with a…

A: Formula used are given below: Density = Mass of substance / Volume of substance and Percent Volume =…

Q: Explain the difference between a general mixture and an aqueous mixture.

A: Mixture is combination of two or more chemical substances which are not chemically combined.

Q: A student prepared a standard copper solution by combining 2.63 mL of stock 0.270 mol/L copper(II)…

A: Recall the following relation        V1×M1=V2×M2Given that,initial volumeV1=2.63 mL        initial…

Q: A ______________________is the physical combining of two or more substances (not necessarily…

A:

Q: The diagram represents a solution an element a compound a heterogeneous mixture

A: In this question, we will Identify this give diagram represent , a solution or a Element or a…

Q: 4. (a) The sodium ion did not take part in this chemical reaction. What do we call such an ion? (b)…

A: sodium ions are spectator ions and undergoes solvation that is gets surrounded by negative pole of…

Q: Why is decoration rather than filtration the preferred method of separating the salt from the…

A: The process for the separation of mixtures of immiscible liquids or of a liquid and a solid mixture…

Q: Mixtures are divided into two classes based O 1. mixtures and matter on their appearance. What are…

A:

Q: A solution that is 20.0% ethanol by volume has a density of 0.977 g/mL. What is the mass percent of…

A:

Q: What separation method could you use to separate water from alcohol? *

A: Separation methods are those  techniques by which different compounds in a mixture are separated…

Q: BaCl2٠2H2O What is the mass salt?  What is the mass water?  What is the mass percent?

A: Ans

Q: Is distillation a good method for separating a mixture of water and hexane?  Why or why not?

A: distillation, process involving the conversion of a liquid into vapour that is subsequently…

Q: Consider three 10-g samples of water: one as ice, one as liquid, and one as vapor. How do the…

A: The volume of solid and liquid phase of water can be calculated by the expression given in the…

Q: A Solution is formed when two or more substances combine to yield a mixture that is homogeneous at…

A: Solution : It is the homogeneous mixture of two or more species together, it generally consists of…

Q: The following picture would be best described as A) a solid mixture B) a gaseous mixture

A: What the picture describe?

Q: 1. SC.912.P.8.2 - Discuss volume, compressibility, density, conductivity, malleability, reactivity,…

A: When a mixture(or a pure substance) has a single phase in it, it is called homogenous system. When…

Q: Which of the following is a method for separating a solid-liquid mixture?

A: Applying concept of separation of liquid- solid mixture by filtration.

Q: A homogeneous mixture composed of a solute and solvent________?

A: Homogeneous means having similar composition or state.  Simply, we cancnot differentiate between the…

Q: Is there a difference between a homogeneous mixture of hydrogen and oxygen in a 2:1 ration and a…

A: Is there a difference between a homogeneous mixture of hydrogen and oxygen in a 2:1 ration and a…

Q: Classify the following materials as substances or mixtures:table salt, wood, mercury, air, water,…

A: Substances- these are the materials which have stable composition and properties throughout and can…