If you dissolve 2.00 g of calcium nitrate in 750 g of water, what is the molality of calcium nitrate? _ What is the total molality of ions in solution?

Q: A solution contains 20.5 g of sodium chloride dissolved in sufficient water to give a total mass of…

A: Molality is represented by ‘m’ and is defined as the number of moles of solute present in 1 kg of…

Q: A student dissolves 19. g of glucose (CH,20,) in 250. mL of a solvent with a density of 0.84 g/mL.…

A: Mass of glucose = 19 g Volume of solvent = 250 mL Density of solvent = 0.84 g/mL Molarity =?…

Q: A student dissolves 7.9 g of resveratrol (C4H120,) in 425. mL of a solvent with a density of 0.90…

A: First we will calculate number of moles of resveratrol. Then calculate molarity and molality of…

Q: Suppose you take a solution and add more solvent, so that the original mass of solvent is doubled.…

A: Molality =

Q: A student dissolves 12. g of sucrose (C12H0) in 150. mL of a solvent with a density of 1.06 g/ml.…

A: Weight of sucrose=12g Solvent volume=150mL Density=1.06g/mL

Q: Available was 250.00 ml of a 15.67 M H,S0, solution (density 1.7872 g/mL). Assume you pipetted 70.00…

A: Hii there, since there are multiple questions posted. we are answering first question. if you need…

Q: 38.5 grams of copper(iii)sulfate is mixed in 140 ml of water. Calculate the molal concentration of…

A: Given; Mass of solute=38.5g Volume of the solution=140ml Formula: Molarity=moles of solutevolume of…

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: Electrolytes exert a higher osmotic pressure than non-electrolytes for a reason.

A: In the above question the factors responsible for the variation of the osmotic pressure are…

Q: A student dissolves 6.8 g of resveratrol (C1H,,03) in 175. mL of a solvent with a density of 1.04…

A:

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.…

A:

Q: In an experiment, a group of students dissolved 4.67 g of toluene in 67.8 g of cyclohexane. What was…

A:

Q: The solubility of a substance at varying temperatures is listed below

A: In general with the increasing of temperature the solubility of solid and liquid solutes increases…

Q: Definitions: Fill in the blanks with the correct word (Not all words are used) Solute Unsaturated…

A: The mixture of two compounds which has only one phase is known as solution. The one which is present…

Q: How can I find Molality by using the Density of a chemical compound?  I know m=mol/kg, but I always…

A: First we need to find out density. density = mass / volume   moles = mass/ molar mass   molality =…

Q: A student dissolves 7.4 g of glucose (CH,0,) in 150. mL of a solvent with a density of 1.11 g/mL.…

A:

Q: A student dissolves 19. g of aniline (C H,NH,) in 350. mL of a solvent with a density of 1.13 g/mL.…

A: We have given that 19 g of aniline dissolves in 350 mL= 0.350 L of a solvent To find out molarity…

Q: Equal masses of acetone (CH3COCH3, molar mass = 58 g/mol and density = 0.79 g/mL) and water (molar…

A: Molality is given by  Molality = moles of solute / mass of solvent in Kg Since molality of acetone…

Q: An aqueous solution is made by dissolving 23.8 grams of sodium sulfide in 465 grams of water. The…

A: To compute the molality of sodium sulfide solution. Given that: Mass of sodium sulfide = 23.8 grams…

Q: Calculate the molality of a solution containing 0.355 mol sodium hydrogen carbonate (baking soda)…

A: Record the given data, The number of moles of sodium hydrogen carbonate is 0.355 mol The amount of…

Q: A solution is made using 236.2 mL of methanol (density 0.7920 g/mL) and 300.0 mL of water (density…

A: Given :-  Volume of methanol = 236.2 mL Volume of water = 300 mL Density of methanol = 0.7920 g/mL…

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: What does it mean to say that a substance is soluble in another substance? Which units are used in…

A: What is meant by a substance soluble in another substance is to be explained. The units that are…

Q: A student dissolves 11. g of aniline (C,H,NH,) in 250. mL of a solvent with a density of 1.12 g/mL.…

A: Molarity of solution is defined as number of moles of solute dissolved per litre of solution and…

Q: A solution is made using 223.8 mL of methanol (density 0.7920 g/mL) and 300.0 mL of water (density…

A: For Methanol : Volume = 223.8 mL Density = 0.7920 g mL-1   For Water :  Volume = 300 mL Density =…

Q: A student dissolves 1.8 g of stilbene (cH2) in 275. mL of a solvent with a density of 0.90 g/mL. The…

A:

Q: An aqueous solution is made by dissolving 16.0 grams of manganese(II) chloride in 405 grams of…

A: Given , mass of manganese(II) chloride = 16.0 g             mass of solvent i.e. water = 405 g = 405…

Q: The molar mass will be 12.0 g/mol if a 10-g sample of unknown substance is dissolved in 100 g water…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: What happens to the solubility of a gas in water as the temperature is increased?

A: We have to predict, what happens to the solubility of a gas in water as the temperature is…

Q: An aqueous solution is 12.0% by mass ammonia, NH3, and has a density of 0.950 g/mL. The molality of…

A:

Q: 193.8 g of magnesium chloride is dissolved in 811.0 g of water. What is the molality of the…

A: Given that : Mass of MgCl2 (Solute) = 193.8 g Mass of water (Solvent) = 811 g = 0.811 kg We have to…

Q: A student dissolves 2.5 g of phenol (C,H,OH) in 350. mL of a solvent with a density of 1.12 g/mL.…

A: Molarity is defined as the number of moles of solute dissolved in one liter of solution Whereas,…

Q: In order to calculate the molality of a solution from its molarity, what other information would be…

A:

Q: A student dissolves 19. g of methanol (CH,OH) in 425. mL of a solvent with a density of 0.98 g/mL.…

A:

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: Compute the % mass of a solution containing 5 g sodium chloride in 150 g solution? What is the…

A: Solution-

Q: A student dissolves 14. g of stilbene (C,H,,) in 450. mL of a solvent with a density of 1.09 g/mL.…

A:

Q: Which is NOT TRUE about colligative properties? A. Properties of solutions that depend only on…

A: The properties of the liquid solutions which depend only on the number of particles of solute…

Q: A solution is made using 121.8 mL of acetonitrile (density 0.7766 g/mL) and 250.0 mL of water…

A: From the Formula of Molarity we can solve this problem.

Q: What is the molality of 30% by mass CaCl2 solution?

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

Q: A student dissolves 12. g of phenol (CH OH) in 350. mL of a solvent with a density of 1.12 g/mL. The…

A: given that:  Mass of phenol(solute)= 12.g  Volume of solvent = 350.ml Density = 1.12g/ml Volume does…

Q: A student dissolves 5.6 g of biphenyl (C,,H10) in 425. mL of a solvent with a density of 1.15 g/mL.…

A:

Q: A student dissolves 14. g of sucrose (C,H,O,) in 450. mL of a solvent with a density of 0.85 g/mL.…

A: Given-> Weight of sucrose = 14 gm Volume = 450 ml = 0.450 L (1L = 1000 ml) Density = 0.85 g/ml =…

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: A student dissolves 8.3 g of phenol (C,H,OH) in 325. mL of a solvent with a density of 1.12 g/mL.…

A: Molality - It is defined as moles of solute dissolved per kilogram of solution. Its unit is moles/kg…

Q: Determine the molality of a 16-g urea dissolved in 39 grams of water. The molar mass of urea is 60.0…

A: The objective of the question is fond the molality of the urea from the given data.

Q: A solution was made by dissolving 10.000 g of NaCl (58.44 g/mol) in 150. mL (assume 1g/mL) of water.…

A:

Q: What usually happens to the solubility of solids as temperatures decreases?

A: Solubility of a substance dependent on the temperature.

Q: A 0.396 molal glucose solution has density of 1.16 g/mL. What is the molarity of glucose in this…

A: Molality of glucose, m = 0.396 molal Density of glucose, d = 1.16 g/mL Molarity of glucose, M = ?…

Q: A student dissolves 8.1 g of sucrose (C,,H,,0,) in 250. mL of a solvent with a density of 0.93 g/mL.…

A: Molarity is defined as number of moles of solute dissolved per litre of solution and molality is…