WebNov 30, 2024 · To compute the molality of a solute, you need to: Divide the amount of the solute (in moles) by the mass of the solvent (in grams). Alternatively, if the amount of the … WebProblem #3:An aqueous solution is prepared by diluting 3.30 mL acetone (d = 0.789 g/mL) with water to a final volume of 75.0 mL. The density of the solution is 0.993 g/mL. What is the molarity, molality and mole fraction of acetone in this solution? Solution: 1) Preliminary calculations: mass of acetone: (3.30 mL) (0.789 g/mL) = 2.6037 g
In an aqueous solution of potassium chloride, the solute is
WebApr 15, 2024 · A solution is a homogeneous mixture of two or more components in which the particle size is smaller than 1 nm. For example, salt and sugar is a good illustration of a solution. A solution can be categorized into several components. Types of Solutions: The solutions can be classified into three types: WebJan 31, 2024 · The molality of calcium chloride (CaCl2) in an aqueous solution is 2.46 m. What is mole fraction of the solute? See answers Advertisement Eduard22sly The mole fraction of the solute, CaCl₂ is 0.042 How to determine the mole solute, CaCl₂ Molality = 2.46 m Mass of water = 1 kg Mole of CaCl₂ =? Mole = Molality × mass of water Mole of CaCl₂ = … can metal become gas
Calculate the number of moles of solute present in each of the ...
WebThe detailed answer is given below. Step-by-step explanation 1. Consider when an aqueous (NH4)2S solution is mixed with an aqueous Cu (NO3)2 solution. a. Balanced chemical equation including states of matter. Answer (NH 4) 2 S (aq) + Cu (NO 3) 2 (aq) → CuS (s) + 2NH 4 NO 3 (aq) b. WebCalculate the percent by mass of the solute in each of these aqueous solutions. Calculate the molality for the following solutions. a.) 5.50 g of NaBr in 78.2 g of solution b.) 31.0 g … can metal be flattened into sheets