Which of the following statements is true regarding the concentrations, Molarity and Molality?

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 boiling point of a 1.50 m (molal; moles solute/kg solvent) aqueous solution of LiI would be…

A: The elevation in boiling point is calculated as ∆Tb = i × Kb × m Here, ∆Tb = elevation in boiling…

Q: Determine the molality (mol/kg) for a solution formed by dissolving 12.0 grams C6H6 (78 g/mol) in…

A: The formula of the molality is :=> molality = moles of solute / mass of solvent in kg

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: An aqueous solution of aluminum acetate has a concentration of 0.108 molal. The percent by mass of…

A:

Q: Calculate the molality of a solution formed by adding 8.30 g NH4Cl8.30 g NH4Cl to 14.3 g14.3 g of…

A:

Q: why is the mass of water in the molality solution 240. Is that not the mass of the solution and not…

A: The molality of a substance is given as the moles of the solute upon mass of the solvent in…

Q: % mass solvent mole fraction solute molality ppm solute .0545

A: Since it is a binary mixture, therefore the sum of the mole fraction of the two components will be =…

Q: At equal concentratoins, would a nonelectrolyte solution or electrolyte containing solution have a…

A: A solution containing an electrolyte will have a lower freezing point. The depression in freezing…

Q: What mole fraction of solvent will be present in an aqueous solution that is 0.858 m in sucrose?

A: Given,  Concentration of aqueous solution is 0.858 m

Q: A solution contains 0.0653 g of a compound in 9.75 g of ethanol. The molality of the solution is…

A: Molality and mole are given by, Let substitute the given vales in molality equation to get moles of…

Q: How do you calculate molarity and molality of a substance if you are given it's percent by mass and…

A: * Molarity of substance =  Moles of substance / volume of solution in L  * molality of Substance =…

Q: An aqueous solution of manganese(II) sulfate has a concentration of 0.206 molal.The percent by mass…

A: The objective of the question is to find the percent by mass of manganese(II) sulfate in the…

Q: How many moles of solute are in a 2 molal solution if there is 4790g water?

A: Molality can be calculated as below:

Q: Complete the table below, using information represented in the chemical equation for the combustion…

A: Using mole concept easily determines how much reactant consumed in reaction and how much product is…

Q: An aqueous solution of sodium bromide has a concentration of 0.366 molal. The percent by mass of…

A: Details of question

Q: portional to lattice energy. B, inversely proportional

A: Osmotic pressure is a colligative property that means it depends only on the amount of the solute…

Q: An aqueous solution of chromium(II) nitrate has a concentration of 0.447 molal. The percent by mass…

A: An aqueous solution of Chromium(II)nitrate has a concentration of 0.447 molal.

Q: Why are units of molality (moles solute/kg solvent) used when discussing temperature-related…

A: The concentration units of molality is more preferable rather than in molarity while discussing the…

Q: The Molarity of the solution The molality of the solution The mole fraction of water

A:

Q: The vapor pressure of a solution containing a nonvolatile solute is directly proportional to the…

A: This is a simple question about the properties of solution. After adding non-volatile solute to a…

Q: The mole fraction of sodium iodide, NaI, in an aqueous solution is 0.0882. %. The percent by mass of…

A: First the given data  mole fraction of sodium iodide, NaI =0.0882 Solution are aqueous  Find % by…

Q: A solution is prepared by combining 4.96 grams of an unknown non-electrolyte with 249.0 grams of…

A: Given that:Mass of solute = 4.96 gMass of chloroform ( solvent ) = 249.0 g = 0.249 kgFreezing point…

Q: A 40.0% by mass solution of HC1 has a density of 1.198 g/mL. Determine the molarity and molality of…

A:

Q: How does the molality of a solution vary with increasing temperature? How does the molarity of a…

A: The question is asking about the variation of molality and molarity of a solution with increasing…

Q: Calculate the molar mass of the unknown substance from this problem................1.00 L solution…

A: Given: Volume of solution=1 L Mass of solute=49.7 g Osmotic pressure=10.7 atm T=10oC  =(10+273) K…

Q: What is 1molal solution?

A:

Q: Determine the moles of solute in a 350g solution that is 2.5 molal.

A: We are given molality and mass of solution. we would use formula of molality to calculate moles.

Q: What is the molal concentration of a solution that is prepared by dissolving 56.1 g of glucose in…

A: Given,mass of glucose = 56.1 gmolar mass of glucose = 180.16 g/molmass of water = 285 g

Q: What is the mole fraction of sodium hydroxide (NAOH) in Aqueous solution containing 0.4 g of NaOH…

A: Moles of NaOH=0.4/40=0.01  Moles of H2O=100/18=5.55