A 2.0 L aqueous solution contains 0.25 mole of CaCO3. What is the concentration (molality) of the CaCO3? The density of water is 1 kg/L. A. 0.13 B. 0.50 C. 2.0 D. 0.25

Q: Calculate the molality of a solution formed by adding 9.80 g NH,Cl to 19.9 g of water. molality: m…

A: Given: Mass of ammonium chloride (NH4Cl)=9.80 g The molar mass of ammonium chloride (NH4Cl)=53.491…

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: Determine the molality of a solution in which 27.4 grams of glucose CGH1206 are dissolved in…

A:

Q: Ten milliters of ethanol (ρ=0.789 g/mL) is added to sufficient amount of water to produce 100.0 mL…

A: Given Volume of ethanol = 10 ml density of ethanol = 0.789 g/ml volume of solution = 100 ml density…

Q: An aqueous KNO3 solution is made using 71.9 g of KNO3 diluted to a total solution volume of 1.95 L.…

A: From the weight of the compound taken we can calculate the mole present in 1000 ml ghat will be the…

Q: A 150.0 mL solution is made by dissolving 16.0 g of NaF in water and has a density of 0.89 g/mL.…

A:

Q: A solution is made using 79.9 g of phenol (MM = 94.11 g/mol) and 90.0 g of acetone (MM = 58.08…

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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

Q: A solution is prepared by dissolving 133 g of NaCl in 947 g water to make a total solution volume of…

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

Q: A 1.94 L1.94 L aqueous solution of KOHKOH contains 187 g187 g of KOHKOH. The solution has a density…

A: Given:Volume of solution = 1.94LDensity of solution = 1.29 g/mlGiven Mass of KOH = 187g

Q: fa gas has a solubility of .55 g/L at 2.0 atm, how much will dissolve at 12.6 atm?

A: Solubility is the maximum amount of solute that can be dissolved into 100gm of solvent.

Q: The freezing point of water is 0.00°C at 1 atmosphere. If 13.73 grams of barium bromide, (297.1…

A: molality is defined as number of moles of solute in solution of 1kg of solvent. let solve the…

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

A:

Q: Determine the solubility (molarity) of gas X in water at 25 degrees C exposed in air at a pressure…

A: Henry’s law describes the solubility of gases in relation to its partial pressure. The law is given…

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 are Colloids?

A: Colloids Colloids are defined as a homogeneous solution with ultramicroscopic particles of one…

Q: (e) Pressure has little effect on the solubility of liquids in liquids. (f) Pressure has a major…

A: Henry's law= which states that the solubility of a gas in a solvent is directly proportional to the…

Q: A solution is made using 180.3 g of hexane (MM = 86.18 g/mol) and 200.0 g of octane (MM = 114.2…

A: Molality is defined as number of moles of solute dissolved in per kg of solvent.  To calculate the…

Q: t of methanol is 64.7C. A solution containing a nonvolatie solute dissolve ethanol in this solution?…

A: According to the question, solution containing a nonvolatile solute dissolved in methanol has a…

Q: A 2.19 L2.19 L aqueous solution of KOHKOH contains 201 g201 g of KOHKOH. The solution has a density…

A:

Q: An amount of 5.12 g unknown compound is dissolved in 25.0 g of chloroform to form a solution that…

A: The amount of the unknown compound (solute) = 5.12 g The amount of the chloroform (solvent) =25 g…

Q: Which of the following BEST describes colligative properties of solutions? A. depend on the…

A: Which of the following BEST describes the colligative properties of solutions has to be given.

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 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: Calculating the molality of a solution 9. 32.5 g of NaF is dissolved in 425 g H2O Calculating the…

A: Amount of NaF = 32.5 gMolar Mass of NaF =41.988 g/moleNo of mole of NaF = Amount of NaFMolar Mass of…

Q: A solution is made using 80.1 g of toluene (MM = 92.13 g/mol) and 80.0 g of benzene (MM = 78.11…

A: Given, Solution made using 80.1 g of toluene and 80.0 g of benzene.

Q: A 3.45 L aqueous solution of KOH contains 189 g of KOH. The solution has a density of 1.29 g/mL.…

A:

Q: A 1.51 L aqueous solution of KOH contains 153 g of KOH. The solution has a density of 1.29 g/mL.…

A: Given: Volume of solution = 1.51 L Mass of KOH = 153 g Density of solution = 1.29 g/mL Known: Molar…

Q: c) Calculate the freezing point of a solution containing 6.0 %% KCl by mass (in water). d)…

A: Answer:- This question is answered by using the simple concept of depression in freezing point and…

Q: A 2.28 L aqueous solution of KOH contains 199 g of KOH. The solution has a density of 1.29 g/mL.…

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

Q: In lab, scientists often use percentages to describe concentration. When making a solution,…

A: We have to find volume needed to make solution

Q: In an aqueous solution of sulfuric acid, the concentration is 7.21 mol% of acid. The density of the…

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

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

A:

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

A:

Q: 1. a. What is a colligative property? b. Name 4 colligative properties

A: The question is based on the concepts of solutions. colligative property is one of the important…

Q: A sodium hydroxide solution that contains 23.9 grams of NaOH per L of solution has a density of 1.16…

A: Molality=No. of moles of solute ×1000mass of solvent in gGiven mass=23.9gMolar mass =40g/molNo. of…

Q: A solution is made by adding 255g of sodium fluoride, NaF to 1200 mL of water 72°C, the density of…

A: Molarity is defined as the number of moles of solute dissolved in 1 L of solution. The unit of…

Q: Find the percent by mass in which 41.0 g of NaCl (58.445 g/mol) is dissolved in 331 grams  of water

A:

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…

Q: A 2.78 L aqueous solution of KOH contains 201 g of KOH. The solution has a density of 1.29 g/mL.…

A: Given data Volume of solution : V=2.78 L=2780 mL Mass of KOH  = 201 g density of solution =1.29 g/mL…

Q: A solution is made using 82.5 g of toluene (MM = 92.13 g/mol) and 80.0 g of benzene (MM = 78.11…

A: Molality is difine as ratio of mole of solute and weight of solvent in kg. m=( mole of…

Q: In an aqueous solution of sulfuric acid, the concentration is 7.87 mol% of acid. The density of the…

A: Given that : Concentration in % of acid = 7.87 mol% Density of the solution = 1.2205 g mL-1 The…

Q: 1. What are the different colligative properties of solutions? 2. What do colligative properties of…

A: To explain:  the different colligative properties of solutions? factors on which colligative…

Q: .Ten milliters of ethanol (ρ=0.789 g/mL) is added to sufficient amount of water to produce 100.0 mL…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: A solution is made using 100.9 g of toluene (MM = 92.13 g/mol) and 80.0 g of benzene (MM = 78.11…

A:

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

A: