A solution is prepared by dissolving 25.0 grams of sodium hydroxide in enough water to make 250.0 mL of solution. The density of the solution is 1.02 g/mL. Calculate the solution concentration in each of the following units: a. Molarity  b. Molality c. Percent by mass of sodium hydroxide

Q: Determine the amount in grams of KCl that exist in 20.3g of a solution that contains 1.14% KCl by…

A: Given solution is 1.14% KCl by mass ⇒100 gm of the solution contains 1.14 gm KCl

Q: 1. Equal numbers of moles of two soluble substances; A & B, are dissolved into 1 L of water…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: An aqueous solution contains 44.7 g of HCI by mass. Calculate the mole fraction of the solution.

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A: Mass of calcium nitrate = 39.2g Molarity = 2.50 M Volume of solution = ?

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Q: A student dissolves 20. g of glucose (C,H,,0,) in 100. mL of a solvent with a density of 0.96 g/mL.…

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Q: Determine the amount in grams of KCl

A: % w/w = (mass of solute/mass of solution) x 100  % w/w = percent by mass

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A: Given : Mass of solute i.e NaCl = 133 g Mass of water = 947 g And total volume of solution = 1.00 L…

Q: How many grams of potassium chloride must be added to 346 g of water in order to prepare a 0.114 m…

A: Answer : Molality (m):   The number of moles of solute dissolved per 1000 gram (kg) of a solvent .…

Q: Calculate the percent by mass of a solution made from 12 g NaCl (the solute) and 64 g water.

A: Interpretation - The percent by mass of a solution made from 12 g NaCl (the solute) and 64 g water…

Q: When 4.86 g of a nonelectrolyte solute is dissolved in water to make 445 mL of solution at 29 °C,…

A: Since there are multiple sub parts in this question and it is not mentioned that which one has to be…

Q: Calculate the molality of a solution formed by adding 6.832 g of methanol (CH3OH) to 100.00 mL of…

A: Molality is defined as number of moles of solute dissolved per kilogram of solvent.

Q: Calculate the molality of a solution

A: Molality of solution is the ratio of number of moles of solute to the mass of solvent in kilogram.

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Q: A solution contains 3.00 g of solute in 13.6 g of solvent. What is the mass percent of the solute in…

A: Total mass of solution is equal to sum of mass of solvent and solute

Q: When 4.81 g of a nonelectrolyte solute is dissolved in water to make 925 mL of solution at 24 °C,…

A: Colligative properties are the properties of the solution that depend on the number of moles of…

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Q: A solution is prepared by dissolving 30.0 g of ammonium sulfate, (NH4)2SO4, in 70.0 g of water. The…

A: The ratio of moles of solute to the mass of solvent in kg is known as molality.

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A: Given: 57 kg of sucrose is dissolved in a 100 L can containing 18L of water.

Q: When 3.59 g of a nonelectrolyte solute is dissolved in water to make 605 mL of solution at 29 °C,…

A:

Q: When 2.35 g of a nonelectrolyte solute is dissolved in water to make 305 mL of solution at 22 °C,…

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Q: A solution is prepared at 22°C and its concentration is expressed in three different units: percent…

A: We will write all terms and effect of temperature on them and answer the question.

Q: Calculate the molality of a solution containing 5.81 g of NaCl (58.44 g/mol) in 51.9 g of water.

A: Given:Mass of sodium chloride= 5.81 gMolar mass of sodium chloride= 58.44 g/molMass of water= 51.9 g

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A: We know that ∆Tf = kf × m × i

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A: The number of moles of a substance is determined as the mass of substance upon molar mass. The…

Q: 211.5g of glucose is dissolved in enough water to make 635.0ml of solution. (Molar mass of glucose…

A: Given, Note: 1000 mL = 1 L Mass of glucose = 211.5 g Volume of the solution = 635.0 mL = 0.635 L…

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A:

Q: Calculate the percent by mass of a solution made from 19 g NaCl (the solute) and 61 g water.

A: Percent by mass = (mass of solute/mass of solution) ×100

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A: Given data Volume % of alcohol (solute) = 36 % Total volume of solution = 1000 mL…

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A: Given: The concentration of an aqueous solution of sulfuric acid = 7.21 mol% The density of the…

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Q: When 4.76 g of a nonelectrolyte solute is dissolved in water to make 115 mL of solution at 24 °C,…

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Q: A solution contains 20.0% (by mass) of ammonium sulfate, (NH4)2SO4, and has density of 1.12 g/mL.…

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Q: solution was made by dissolving 12.5 g of sodium phosphate in 125.00 mL of water.  The volume of the…

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Q: A sucrose solution is prepared to a final concentration of 0.300 M . Convert this value into terms…

A: Molarity = number of moles / volume in liter

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Q: A concentrated potassium hydroxide solution is 45.0% KOH by mass and has a density of 1.44 g/ml at…

A: In order to find out the amount of KOH present in 1 L of a KOH solution, first, find out the mass of…

Q: A 2.13 L aqueous solution of KOH contains 155 g of KOH. The solution has a density of 1.29 g/mL.…

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Q: Q5 i) List the factors that influence solution formation.       ii) Solubility of gases in water…

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Q: When 4.47 g of a nonelectrolyte solute is dissolved in water to make 115 mL of solution at 23 °C,…

A: The molar concentration of non-electrolyte solution from the given osmotic pressure is calculated…

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A: Given :- % by mass of CaCl2 = 30% To calculate :- molality of solution

Q: When 3.87 g of a nonelectrolyte solute is dissolved in water to make 645 mL of solution at 29 °C,…

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A: calculation of concentration

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Q: (a) Calculate the molarity of a 105 g Na2SO4 in 570 ml solution. [Atomic mass: Na=23 g/mol, S= 32…

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Q: A solution contains 4.80 g of solute in 11.4 g of solvent. What is the mass percent of the solute in…

A: Mass percentage is one way of representing the concentration of an element in a compound or a…

Q: A HCl solution contain 36 % HCl by mass. Calculate: (a) Mole fraction of HCl in solution (b)…

A: