An aqueous solution is made by dissolving 26.2 grams of chromium(II) iodide in 465 grams of water The molality of chromium(II) iodide in the solution is m.

Q: An aqueous solution is made by dissolving 19.8 grams of manganese(II) sulfate in 353 grams of water.…

A: Molality is the way to express the concentration of solution as the ratio of moles of solute per…

Q: A solution of 30.0 % ethanol (C₂H5OH) by weight has a density of 0.96 g/mL. Find its molality and…

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Q: An aqueous solution is made by dissolving 17.3 grams of chromium(II) acetate in 351 grams of water.…

A: Number of moles of chromium(III) acetate = 17.3 g / (229.13 g/mol) =0.075 mol.

Q: The percent by mass of acetonitrile (MM = 41.05 g/mol) in an aqueous solution is 22.5%. What is the…

A: Given; The % by mass of acetonitrile = 22.5 % The molar mass of acetonitrile = 41.05 g/mol.

Q: The percent by mass of acetonitrile (MM = 41.05 g/mol) in an aqueous solution is 11.5%. What is the…

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Q: A solution is prepared by dissolving 80.0 mg of potassium phosphate in 25 ml. of water. What is the…

A: Given, the mass of potassium phosphate =80.0 mg =0.08 gvolume of solution =25 mL we are asked to…

Q: The concentration of this solution in parts per million is?

A: Given :- mass of glucose(solute) = 0.125 g                mass of solution = 250 g  To calculate :-…

Q: For a gas dissolved in a liquid, solubility increases as pressure and temperature O decreases,…

A: The effect of temperature and pressure in the solubility of gas is opposite that for solids and…

Q: A solution is made using 150.0 mL of ethanol (density 0.7892 g/mL) and 350.0 mL of water (density…

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Q: An aqueous solution of nickel(II) iodide has a concentration of 6.98×10-2 molal. The percent by mass…

A: Given: Molality = 6.98×10-2 molal

Q: If a solution contains 0.817 g naphthalene dissolved in 21.3 g of cyclohexane, calculate the…

A: Given information:   The mass of Naphthalene = 0.817 g   Molar mass of Naphthalene = 128.17 g/mol…

Q: What are the main difference between molarity, molality and normality.

A: Molarity: Molarity is defined as the total number of moles of a solute per litre of solvent. It…

Q: A solution contains 22.0 g of HCI dissolved in sufficient water to give a total mass of 125.0 g.…

A: Number of moles of HCl is:

Q: Define the term, ‘molarity of a solution’. State one disadvantage in using the molarity as the unit…

A: Molarity of a solution is defined as the moles of solute present per litre of the solution. Hence…

Q: A salt solution is prepared by adding 4.70g of sodium chloride to 1750 ml of water. Calculate the…

A: Molar mass of Sodium chloride = 58.5 g/mil Given mass of sodium chloride = 4.7 g Volume of water =…

Q: A 40.7g of a nonelectrolyte is dissolved in 220g of water to make a solution.  The solution’s…

A: The given data contains, mass of nonelectrolyte = 40.7 g. mass of water = 220 g. Temperature =…

Q: 1 gm of Sodium Carbonate was dissolved in 0.5L distill water. what are the molarity and normality…

A: Molarity (M): The number of moles of solute per unit volume of the solution in Liters.…

Q: A solution of sucrose (MM = 342.3 g/mol) has the concentration of 0.15 M and a density of 1.018…

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Q: . 190 g of CuSO4 are placed in 3500 g of water. Determine the molality.

A: Given Data :  1. Mass of CuSO4 ( Solute) = 190 g  2. Mass of Water ( solvent) = 3500 g…

Q: 12 Determine the freezing point of an aqueous solution that is 0.584 m sucrose. °C

A: Explanation- Here, the process that occurs is depression in freezing point.

Q: What is depression in freezing point? Explain with example

A: The depression in freezing point is the types of the colligative property of the solution that is…

Q: An aqueous solution is made by dissolving 23.8 grams of sodium sulfide in 465 grams of water. The…

A: To compute the molality of sodium sulfide solution. Given that: Mass of sodium sulfide = 23.8 grams…

Q: A solution is made using 126.9 mL of ethanol (density 0.7892 g/mL) and 350.0 mL of water (density…

A: Given: The volume of ethanol = 126.9 mL The density of ethanol = 0.7892 g/mL The volume of water =…

Q: The percent by mass of ethanol (MM = 46.07 g/mol) in an aqueous solution is 23.7%. What is the…

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Q: Suppose that 98.0g of a nonelectrolye are dissolved in 1.0 kg of water. The freezing point of this…

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Q: A solution is prepared by dissolving 80.0 mg of potassium phosphate in 25 mL of water. What is the…

A: Given Mass of potassium phosphate = m = 80 mg = 0.08 g Molar mass of potassium phosphate= M =…

Q: An aqueous solution is made by dissolving 16.0 grams of manganese(II) chloride in 405 grams of…

A: Given , mass of manganese(II) chloride = 16.0 g             mass of solvent i.e. water = 405 g = 405…

Q: A certain sample of concentrated hydrochloric acid is 54.9 % HCI. Calculate the molality of this…

A: To calculate the molality , we would need moles of HCl and mass of solvent .  So we would use given…

Q: The percent by mass of acetone (MM = 58.08 g/mol) in an aqueous solution is 34.7%. What is the…

A: Given, Molar mass of the acetone = 58.08 g/mol Percent by mass of acetone in an aqueous solution =…

Q: an aqueous solution of concentrated nitric acid is 70.0% by mass. what is the molality of this…

A: Molality is a property of a solution and is defined as the number of moles of solute per kilogram of…

Q: A solution is prepared by dissolving 102 g of NaCl in 924 g water to make a total solution volume of…

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Q: An aqueous solution is 12.0% by mass ammonia, NH3, and has a density of 0.950 g/mL. The molality of…

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Q: When you calculate the molality. The number of moles of solution is important. O True O False

A: Given statement : When you calculate the molality the number of moles of solution is important.

Q: What mass of ethanol if 360 g if sucrose are dissolved in ethanol to make a 1.6 molal solution? If…

A: First, using given molality and mass of sucrose the mass of ethanol is determined.

Q: A solution is made using 79.9g if phenol (MM = 94.21 g/mol) and 90.0 g of acetone (MM = 58.08…

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Q: What is the molality of a 0.907 M Pb(NO,), solution? (Molar mass of Pb(NO,), = 331.2 g/mol; density…

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Q: A commercial bleach solution contains 3.62% by mass of NaOCl in water. Calculate the molality of…

A: a ) Assuming we have 100 g of solution  Hence the mass of NaOCl in it = % by mass X mass of solution…

Q: A aqueous cleaning solution containing only HCl as the solute, has a total mass of 4.50 kg, 630 g of…

A: Given: mass of HCl in solution is 4.50 kg or 4500 g mass of HCl as solute is 630 g To find: Molality…

Q: A solution of propylene glycol (antifreeze) in the car's radiator has a freezing point of -20°c.…

A: Given data contains, Freezing point is -20°C. Freezing point of water is 0.00°C. The change in…

Q: A sample of 0.892 g of potassium chloride (KCl) is dissolved in 54.6 g of water (H2O). Determine the…

A: The mass of solute is = 0.892 g The mass of solvent, water is = 54.6 g The mass percent of the…

Q: Enter your answer in the provided box. Calculate the molality of a 47.1 percent (by mass) aqueous…

A: Molality - It is defined as the number of moles of solute dissolved per kg of solvent . Molality =…

Q: An aqueous solution of aluminum acetate has a concentration of 0.389 molal. The percent by mass of…

A: Consider the given information is as follows; Concentration of the solution = 0.389 molal The mass…

Q: . A sealed flask containing solutions that was previously heated was left in the room to cool down.…

A: Concentration refers to the amount of solute (mass or mol or volume) present per unit mass of…

Q: c. In water, NaCl will dissociate to ions. How many mole of the ions will be produced? d. What is…

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Q: A 150 g of ammonium chloride solution is 15.00 % by mass with a density of 1.037 g/mL. Calculate…

A: Given: Mass of solution = 150 g. Density = 1.037 g/mL. And % by mass of NH4Cl = 15 %.

Q: A NaOH solution is labeled as 6.75 M, what is its molality? Density of the solution is measured at…

A: Given that the molarity of the solution is 6.75 M and the density of the solution is given as…

Q: An aqueous solution of ammonium nitrate has a concentration of 0.238 molal. The percent by mass of…

A: Molality (m) is defined as the number of moles of solute dissolved per kilogram of the solvent, i.e.…