An aqueous solution of nickel(II) iodide has a concentration of 6.98×10-2 molal. The percent by mass of nickel(II) iodide in the solution is

Q: A solution is prepared by dissolving 65.4 g of sucrose (C12H22011) in 518.1 mL of water. Calculate…

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Q: Enter your answer in the provided box. Calculate the molality of a 40.5 percent (by mass) aqueous…

A: The concentration of a substance can be measured in terms of mass by mass percentage. This…

Q: Why does the solubility of any gas in water decrease with rising temperature?

A: When water with gas is subjected to heat, the kinetic energy of molecules present in both solute and…

Q: An aqueous solution is 26.9 % lithium chloride, LiCl, by mass. The density of the solution is 1.127…

A: Assuming we have 100 g of solution Since % by mass is defined as  % by mass = mass of solute X 100 /…

Q: An aqueous solution is 0.120 molal glucose. What is the mole fraction of each component in the…

A: Given  molarity = 0.120m of glucose, C6H12O6 Calculating mole component is as follows

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: What is the molality of an aqueous solution that is 10.0% ethanol, C2H5OH, by mass?

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Q: The percent by mass of methanol (MM = 32.04 g/mol) in an aqueous solution is 22.3%. What is the…

A: The molality of a given solution can be defined as the number of moles of the solute that are…

Q: igh concentrations of ammonia (NH3), nitrite ion, and nitrate ion in water can kill fish. Lethal…

A: We know that Molality is the number of moles present in kg of solution. i.e Molality = Moles of…

Q: A 13.0% solution of K2CO3 by mass has a density of 1.09 g/cm3. Calculate the molality of the…

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Q: A solution containing 27.55 mg of an unknown protein per 25.0 mL solution was found to have an…

A: ANSWERE IS DISCUSSED BELOW :

Q: The mole fraction of silver acetate, AgCH3COO, in an aqueous solution is 7.96x10-2. The percent by…

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Q: An antiseptic solution contains hydrogen peroxide, H2O2, in water. The solution is .5675 molal H2O2.…

A: The mole fraction of hydrogen peroxide is calculated in step 2.

Q: The osmotic pressure of a solution containing 7.0 g of insulin per liter is 23 torr at 25 °C. What…

A: Given, mass of insulin =7 g temperature of solution=25°C=25+273.15 K=298.15 K R(universal gas…

Q: n aqueous solution of concentrated nitric acid (HNO3) is 70.0% by mass. What is 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: Determine the molality of an aqueous solution that is4.5% urea by mass.( The molar mass of urea is…

A: molality= weight of solute/molecular weight                             ×1000/weight of solvent m=…

Q: 3. The concentrated sulfuric acid we use in the laboratory is 98.0 percent H2SO4 by mass. Calculate…

A: d = 1.83 g/mL M(H2SO4) = 98.08 g/mol then we have to calculate molarity of total solution,

Q: The osmotic pressure of a solution containing 7.0 g of insulin per liter is 23 torr at 25 °C. What…

A: Osmotic pressure is related to molarity of the solution as follows: Here, M is molarity of a…

Q: Calculate the mass of nitric acid dissolved in 0.48kg of water. The molality of the solution is 2.87…

A: The solution is as follows :

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: The percent by mass of glucose (MM = 180.2 g/mol) in an aqueous solution is 22.5%. What is the…

A: Given: Percent by mass of glucose = 22.5 %. Assuming 100 g of the solution.

Q: Calculate the molality of a 42.3 percent (by mass) aqueous solution of sodium chloride.

A: Percent by mass means mass of solute in 100 g solvent.

Q: What is the formula of molality? a. moles solute / L of solution O b. moles of solute / kg of…

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Q: An aqueous solution is 2.00 M urea. The density of the solution is 1.029 g/mL. What isthe molal…

A: Given data contains, Molarity of solution is 2.00 M. Density is 1.029 g/mL.

Q: 9.255 grams of C6H6 are dissolved in 161.8 grams of acetone, what is the molality of the solution?

A: Given mass of C6H6 (solute) = 9.255 g Mass of acetone (solvent) = 161.8 g

Q: Acetonitrile 1CH3CN2 is a polar organic solvent that dissolves a wide range of solutes, including…

A: Molality of the solution is equal to number of moles of solute present in one kg of solvent. Write…

Q: A solution contains 92.2g of methanol, CH3OH, dissolved in sufficient water to give a  mass of…

A: The molality of a solution is calculated by the formula: Molality m=mol of solutemass of solvent kg

Q: An aqueous potassium chloride, KCl, solution is made by dissolving 0.305 mol KCl in 575.0 g of…

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Q: Calculate the molarity of a 6.0 molal H,SO, solution. The molar mass of H,SO, is 98.077 g/mol and…

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Q: The mole fraction of NaCl in an aqueous solution of NaCl is 0.23. What is the molality of the…

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Q: High concentrations of ammonia (NH3), nitrite ion, and nitrate ion in water can kill fish. Lethal…

A: Given information: Ammonia concentration = 1.052 mg/L Nitrite concentration = 0.412 mg/L Nitrate…

Q: A solution is made up by dissolving 15.0 g MgSO4· 7H2O in 140.0 g of water. What is the molality of…

A: Since molar mass of solute i.e MgSO4.7H2O = Atomic mass of Mg + Atomic mass of S + Atomic mass of O…

Q: The percent by mass of ethanol (MM=46.07g/mol) in an aqueous solution is 12.3%. What is the molality…

A: given,  Mass % = 12.3 % Molar mass of Ethanol = 46.07 g/mol Molality of ethanol solution = ?

Q: An aqueous solution is 26.1 % lithium chloride, LICI, by mass. The density of the solution is 1.127…

A: The molality, mole fraction and the molarity are to be determined for an aqueous solution containing…

Q: Calculate the grams of methanol (CH3OH) in a 15 molal solution where the solvent is 50 grams of…

A: Molality is defined as number of moles of solute present in 1 kg salvent.This means- Molarity=…

Q: You have a solution of 10.0 g of sucrose in 100.0 of water. Calculate the molality based on the…

A:

Q: The percent by mass of methanol (MM = 32.04 g/mol) in an aqueous solution is 42.3%. What is the…

A: Molality is the ratio of the number of moles of solute and the mass of the solvent in kilograms.…

Q: Glucose makes up about 0.10% by mass of human blood.Calculate this concentration in (a) ppm, (b)…

A: a.

Q: An ethanol water solution is prepared by dissolving 10.00 mL of ethanol, CH3CH2OH (density = 0.789…

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Q: The density of an aqueous solution containing 20.0 percent of ethanol by mass is 0.986 g/mL. (a)…

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Q: A bottle of medicine contains 12.5% ethanol by volume. The density of ethanol (C2H5OH) is 0.789…

A: Medicine contains 12.5% ethanol by volume. It implies that 100 cm3 of ethanol solution has 12.5 cm3…

Q: An aqueous solution is 5.50% by mass ammonia, NH3, and has a density of 0.975 g/mL. The molality of…

A: given 1) ℅ by mass of ammonia = 5.5℅ density = 0.975 g/ml 2) Concentration of nickel(II) sulfate =…

Q: Define the following terms :(i) Mole fraction (x)(ii) Molality of a solution (m)

A: The concentration is the measure of the amount of the substance that gets dissolved in another…

Q: 66.0 g acetone, C3H6O3, is dissolved in 146.0 g H2O to form a solution. The solution has a density…

A: Given-> Weight of acetone = 66.0 gm Weight of H2O = 146.0 gm = 0.146 kg (1kg = 1000 gm) density…

Q: The mole fraction of iodine, I2, dissolved in dichloromethane, CH2Cl2, is 0.115. What is the molal…

A: The amount of the substance dissolved in the given volume of the solvent to furnish the solution can…

Q: A bottle of medicine contains 12.5% ethanol by volume. The density of ethanol (C2H3OH) is 0.789…

A: Since the % by volume is defined as the percentage of volume of solute present in the solution…