How are the following colloidal solutions prepared?(a) Sulphur in water(b) Gold in water

Q: molality of the 0.75 mol of salt (NaCl) dissolved in 155 g of water?

A: Given,  Moles = 0.75 mol Mass of solvent = 155 g = 0.155 Kg Molality = mole/mass of solvent(Kg)

Q: 1) Calculate the theoretical percent water in the following hydrates.  (a) chromium(III) chloride…

A: The question is based on the concept of calculation of water percentage in the compound.  it…

Q: each

A: Solute : small quantity then others called solute.  Solvent : Larger quantity then others called…

Q: Identify the solutes and solvents in the following solutions. (a) 80-proof ethyl alcohol (40%…

A: The solutes and solvents in the following solutions has to be given,

Q: In what sense is a strong electrolyte “strong”? What prop-erty of the substance makes it a strong…

A: An electrolyte is defined as the substance when it gets dissolved in the solvent produces…

Q: Calculate the mass percent of the following solution: (a) 25.0 g NaNO3 in 125.0 g H2O (b) 0.75 mol…

A: Mass Percent Solute Concentration: A simple solution is formed by dissolving a single solute species…

Q: True or False: The equivalent mass is always larger in value than the molar mass.

A: Given statement :-  The equivalent mass is always larger in value than the molar mass.

Q: In 33 g of a 4.6% by mass solution of CaSO4: (a) how many grams of solute are present? (b) how…

A: Given, mass percent of a solution=4.6 %mass of solution =33 gwe are asked to calculate, mass of…

Q: 3) Calculate the molality of a solution prepared by dissolving 19.9 g of KCI in 750.0 mL of water.…

A: Molarity (M) is a concentration term for a solution. The molarity of a solution is defined as the…

Q: Which of the following substances is an example of a solution? O 1) Salad dressing O 2) Blueberry…

A: To determine which of the following substances is an example of a solution.

Q: Which of the following aqueous solutions will have the highest boiling point?

A: Elevation of boiling point ∆Tf = kf × m × i  Where i is Vant hoff factor. And as m×i is more then…

Q: ‘Colloidal particles are charged.’ Why?

A: The reason why Colloidal particles are charged has to be given,

Q: Which of the following describes a colloid? A) a mixture that separates upon standing, but can be…

A: The objective of the question is to identify the correct description of a colloid among the given…

Q: What mass in grams of solid ammonium sulfate would be required to prepare a 250 mL of 0.925 molar…

A: The Molarity of a solution is defined as no of moles of solute present in 1L of the solution.…

Q: Calculate the molarity of each aqueous solution:(a) 32.3 g of table sugar (C₁₂H₂₂O₁₁) in 100. mL of…

A: (a)

Q: grams of solute

A:

Q: What is the molality of an alloy containing .03 g of silver and 4.75 g of iron?

A:

Q: What is the molality of 2.5 g NaCl dissolved in 20.0 kg of water?

A: The given values for the preparation of NaCl solution is: weight of NaCl=2.5 gamount of water…

Q: solute will have the lowest freezing

A:

Q: volume

A:

Q: I dissolve 100 grams of CaSO4 in 100mL of water. What is the molar concentration of the resulting…

A: Given, mass of CaSO4=100 g volume of water =100 mL= 100×10-3L=0.1 L

Q: How would you prepare the following aqueous solutions?(a) 1.40 L of 0.288 MKBr from solid KBr(b) 255…

A: a) To calculate the amount/weight of solid KBr that is required to make a solution of 0.288 M in 1.4…

Q: Approximately what will be the total solute molarity for a 0.53 M solution of C6H8O7?

A: To calculate the total solute molarity, we need to calculate the total number of ions that will form…

Q: In the laboratory you are asked to make a 0.128 m calcium acetate solution using 375 grams of water.…

A:

Q: Approximately what will be the total solute molarity for a 0.17 M solution of (NH4)2CO3?

A: Given data, Molarity =0.17M The molar mass of (NH4)2CO3 =96.06 g/mol

Q: Calculate the mass percent of the following solutions: (a) 28.1 g KCl + 113.4 g H2O (b) 7.03 g…

A:

Q: How many grams of solute are present in each of the following aqueous solutions? (c) 320 mL of a…

A: Molecular weight of calcium sulfate, CaSO4 = 40+32+64 = 136 gm/mol  1 M CaSO4 solution means 1000 mL…

Q: SrCl2•6H2O Percent water in the hydrated salt.

A: The formula of the hydrated salt is = SrCl2•6H2O The percent of water in the salt is =?

Q: How many moles of potassium bicarbonate, KHCO3, are present in 75.0 mL of a 0.750 M potassium…

A: molarity is calculated by number of moles of solute dissolved in one liter of solution.…