Calculate the molality of a 5.14 M solution of sodium bicarbonate in water. The density of the solution is 1.19 g/mL. 6.78

Q: Determine the molality of an aqueous solution prepared by dissolving 4.75 g of LiCl in 247 g of H…

A: Molality is defined as the number of moles of solute present in 1 Kg of solvent. It is numerically…

Q: What is the molality of a solution made by dissolving 12.3 grams of LiCl in 380 grams of water?…

A: Given: Mass of LiCl = 12.3 g. And mass of water i.e. solvent = 380 g = 0.380 Kg…

Q: Calculate the molality of a solution formed by dissolving 49.6 g of lithium iodide (LiI) in 500.0 mL…

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Q: A solution of phosphoric acid, H3PO4, was made by dissolving 10.0 g of the acid in 100.0 ml of…

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Q: 29 g of KOH is dissolved in 250. mL of water. What is the mass percent of KOH in this solution?…

A: Hence you posted multiple choice questions, I will answer the first three sub questions. (1) mass of…

Q: Calculate the freezing point of a 1.86 M solution of MgCl2 in water. MgCl2 is a strong electrolyte

A: Applying concept of dipression in freezing point. ∆Tf= i×Kf× m

Q: What is the molality of a solution prepared by dissolving 15.1 g of potassium nitrate in 250. g of…

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Q: What is the molality of a solution made by dissolving 9.43 grams of MnCl 2 in 385 grams of water?…

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Q: What is the molality of a solution that contains 4.220 grams of potassium sulfate and 250. g of…

A: Given: mass of K2SO4 = 4.220g mass of water = 250 g                       =0.250 Kg We know, Molar…

Q: Given a 3.59 M solution of magnesium nitrate, Mg(NO3)2, whose density is 1.2 g/ml, determine its…

A: Molarity = moles/ volume in L Molality = moles / mass of solvent on kg

Q: A solution was prepared by dissolving 125.0 g of KCl in 295 g of water. Calculate the molality of…

A: Molality: The molality of the solution is defined by the mole of solute present in one kilogram of…

Q: What is the molality of a solution of 2.50 g sodium phosphate dissolved in 230g water?

A: Moles of solute ( Na3PO4 ) = 2.50164=0.015244 mol  Mass of solvent ( water ) = 230 g = 0.230 kg…

Q: Calculate the molality of a solution containing 635 mg of Calcium nitrate dissolved in 5.50 mL of…

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Q: A solution is made by dissolving 25.0 g of sodium chloride, in 265 g of water. Calculate the…

A: As you have posted multiple questions, we will answer the first question for you. Kindly repost the…

Q: A student dissolves 6.1 g of styrene (C3H3) in 225. mL of a solvent with a density of 0.87 g/mL. The…

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Q: 1. A chemical technician assessed the composition of a liter of seawater and found to contain…

A: Here we are required to find the Molarity and molality of the solution

Q: A solution was prepared by dissolving 38.0 g of KCl in 225 g of water. Calculate the molality of KCl…

A: Molality of the solution can be determined using the equation given below:

Q: An aqueous solution is 0.467 M in HCl. What is the molality of the solution if the density is 1.23…

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Q: Example: Calculate the molality of 25.0 grams of KBr dissolved in 750.0 mL pure water.

A: Molarity = mole / volume in Liter  Mole = mass / molar mass

Q: Your favorite household cleaner is a 30% aqueous solution of ammonia (NH3) by volume. The typical…

A: M = (1000 ×w)/(MM × V)Where, M = molarity; w = mass of NH3 in g; MM = molar mass of NH3; V = volume…

Q: A 2.65% by mass solution of ZnCl2 dissolved in water contains 16.0g of ZnCl2. Calculate the mass of…

A: Since the mass % is given by  % by mass = mass of solute X 100 / mass of solution

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: The concentration of NaCl(aq) in a beaker is 2.00 M. What is the molality of the NaCl solution?…

A: The Molarity of NaCl = 2.00 M Means moles of NaCl = 2.00 mol present in volume of 1 L water . So…

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: Calculate the molality when 55.0 grams of MgCl2 is dissolved in 500.0 g of solvent.

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Q: Molality   A solution contains 22.5 g of methanol, CH3OH, dissolved in sufficient water to give a…

A: Molality of a solution is calculated by dividing the number of moles of solute by per kilogram of…

Q: Suppose you have 1.7 g NaCl in 100.0 g of water. Calculate the molality based on the molar mass.…

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Q: What is the molecular weight of the unknown substance ?

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Q: Calculate the molality of a solution formed by dissolving 36.6 g of lithium iodide (LiI) in 500.0 mL…

A: Given :  Here Lithium iodide is a solute while Water is the solvent. Mass of Lithium iodide (m) =…

Q: A student dissolves 15. g of ammonia (NH,) in 325. mL of a solvent with a density of 1.09 g/mL. The…

A: Molarity = 1000 x W/(MM x V) Where, W = mass of solute in g, V = volume of solution in mL and MM =…

Q: What is the mass of the solute in 750mL of 0.311M potassium bromide? Group of answer choices 27.8g…

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Q: Calculate the molality of 25.3 mL of glacial acetic acid (CH3COOH) dissolved in water to form a 50.0…

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Q: A solution of KOH has 112 grams of KOH in 2000 grams of water. The Molality of this solution is O…

A: Mass of water = 2000 g = 2000 * 10-3 kg Mass of KOH = 112 grams Molecular mass of KOH = 56.1 g/mole…

Q: molarity molality

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Q: Calculate the molarity of a solution which is 17.8% K2SO4·H2O by mass and has a density of 1.26…

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