15. True/False: Some dissolved ions can recombine with the crystal. 16. True/False: More NaCl can dissolve if more water is added to the solution. 17. Define the following terms: a recrystallization b. saturated solution

Q: 15. True/False: Some dissolved ions can recombine with the crystal. 16. True/False: More NaCl can…

A: NaCl is strong electrolyte that is it completely dissociates into its constituent ions in their…

Q: A 0.400-g sample of an unknown compound is dissolved in 20.0 mL of cyclohexane (density = 0.779…

A:

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

A: solid can be dissolved in a liquid and can make either a homogeneous mixture or heterogeneous…

Q: Does the commonly reported solubility of an inorganic compound in water pertain to large crystals or…

A: Solubility of any substance depends upon the physical and chemical properties of the solute and the…

Q: Can a solution be both clear and red? Explain.

A: A solution is a homogeneous mixture of two or more substances evenly. Clear solution merely means…

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A: Volume of Cu2+ solution to be prepared = 100 mL Concentration of the Cu2+ solution to be prepared =…

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Q: Why are volumes not additive? Explain.  For example, 10.00mL of pure ethanol and 10.00mL or pure…

A: As total volume depends on the interaction of liquid molecules, volume is not a additive property.…

Q: Calculate the freezing point change for a given concentration.

A:

Q: Using the values for the solubilities of boric acid, salicylic acid and disodium citrate, calculate…

A: A saturated solution is the one in maximum amount of given solute in soluble. In the question it is…

Q: calculate the mole fraction of nacl in a solution prepared by dissolving 117 g nacl in 3.45 kg H20

A:

Q: Why doesn’t boiling eliminate nonvolatile contaminants such as lead?

A: The boiling point of a substance is the temperature at which the vapor pressure of a liquid equals…

Q: Atrazine is a herbicide that is commonly used in the United States. The Henry's law constant of…

A: Henry's law: It states that the solubility of the gas in a liquid is directly proportional to the…

Q: 1. How do liquid solution form? 2. Why is solutions be expressed in correct concentration?

A: Given :  1. How do liquid solution form? 2. Why is solutions be expressed in correct…

Q: 20g of NaCl is dissolved in 250g of water. Calculate mass percent composition of this solution

A: Step : 1           Calculate mass percent composition of this solution

Q: s). Te supematant quid was iated with Calculate otal hardness (this includes the Mg2+) of the water…

A: Here we have to determine hardness of water.

Q: NaCl is dissolved in water until no more will go into solution. At this point the solution is 1.…

A: When two or more substances present in a solvent then it is called a solution.

Q: of

A: This question is related to polymers.

Q: A mixture must be at its saturation point to be classified as a true solution. True False

A:

Q: Draw an outline of the recrystallization process- Assume all types of Impurities(Soluble, Insoluble…

A: Recrystallization is defined as a technique which is used to purify the solid compounds.

Q: A chemist is given a nonelectrolyte white powder for analysis. 38.7 g of this substance is dissolved…

A: The freezing point of pure water is 0oC. Molality of unknown white powder can be determined as…

Q: If 29.0 grams of MgCl2 were dissolved in 0.250 liters of water, what would be the molarity of this…

A:

Q: using the theory of completely soluble distinguish between substitution and interstitial solid…

A: Solid solutions  are the  formed by mixing a second element (either impurity or solute) to a…

Q: 21. True/False: Recrystallization from a supersaturated solution is very slow. 22. Define the…

A: Supersaturated solution : A supersaturated solution is a solution which contains more than maximum…

Q: What mass (in g) of NH3 must be dissolved in 475 g methanol to make a 0.250 m solution? 2.02 g 4.94…

A: Given, mass of methanol = 475 g molality of solution = 0.250 m

Q: A chemist is given a nonelectrolyte white powder for analysis. 38.7 g of this substance is dissolved…

A: Colligative properties are the properties which depend on the number of atoms or molecules or ions…

Q: At 25 C, a solution is prepared by dissolving 22.1 grams of toluene, C,H, in 250.0 mL of benzene,…

A: Since there are multiple sub-parts, we will answer only first three sub-parts. If you require the…

Q: Calculate the concentration of this diluted solution

A:

Q: In which solution will NH¼NO3 be most soluble in? 1.0 Μ HΝ0; O 1.0 M KOH O 1.0 M NaCi O 1.0 M NH4Br…

A: According to the given data we have different solvents we have to find in which of the following…

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A: Solubility of gas is defined as the the amount of gas that gets dissolved in solvent.

Q: Calculate the molality of 2.50 M NaCl solution (density of 1.12 g/mL)

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are…

Q: Calculate the volume of solution required to dissolve 65.1 g of C12H22011 (molar mass: 342.34 g/mol)…

A:

Q: the differences between a Stober procedure and a water/oil emulsion procedure

A: In this question we have to describe the differences between a stober procedure and a water oil…

Q: 26 Determine the molarity of an aqueous solution of summerinium (molar mass=146.35 g/mol) that has a…

A: Given-> Molar mass = 146.35 g/mole Concentration molality (c)= 0.914 M Density (d)= 0.986 g/ml =…

Q: Determine the percentage solution 1. 0.25 g sodium chloride diluted to 100 mL = %3D

A:

Q: Describe experiments that would demonstrate some saturated solutions and some unsaturated solutions.

A: An unsaturated solution is a chemical solution in which the solute concentration is lower than its…

Q: Which of the following is TRUE regarding the dissolution of NH4Cl(s) in water (Experiment 8)? a.The…

A: we have to determine the True statement  regarding the dissolution of NH4Cl(s) in water  from the…

Q: The Ksp for ZnS(s) is 2.4 × 10–22 at a certain temperature. The solubility of ZnS(s) in water at…

A:

Q: Does a polar solvent promote dissociatin of ionic solutes? A.More information is needed B. yes…

A: Polar solvents are those solvents which has a net dipole moment in the molecule due to presence of…

Q: The freezing point of a liquid will change when a solute is added. Explain how the addition of salt…

A: Freezing point depression of a solution means addition of a solute to a solvent lowers the freezing…

Q: Calculate the solubility of carbon dioxide in water at 20. °C when the partial pressure of carbon…

A:

Q: 9. Calculate the mass percent of sodium bicarbonate in the solution. 10. Calculate the mole fraction…

A: For the solution of question number 9 and question number 10 we will need to find the mass and  mole…

Q: Calculate the water solubility of silver chloride in g/L. The Ksp is 1.8x10-¹⁰ a the MW 143.4 g/mol.…

A: Given, Ksp of silver chloride is 1.8×10-10 Molecular weight of silver chloride = 143.4 g/mol

Q: not totally dissolve in cold water?

A: Kinetic energy is the energy posses by molecule by virtue of its motion. It is directly proportional…

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A: The force of attraction between water molecule is polar covalent bonds. While the force of…

Q: A)  A saturated solution of CaCl2 in 100 gram of water at 20 0C is cooled to 5 0C. How much CaCl2…

A: A) From the solubility curve we can find out, how many CaCl2 get precipitated. At 20oC, nearly 76g…

Q: what happens to the colligative properties when a non volatile solute like sucrose is added to the…

A: Colligative properties of solutions are properties that depend upon the concentration of solute…

Q: MgNH4PO4•6H2O has a solubility of 0.023g/100.ml of water. Suppose a 5.02g sample was washed with…

A: The values are given as follows: