Which solution is most concentrated? O 0.4 mole of solute dissolve in 100mL of solvent O 0.3 mole of solute dissolved in 200mL of solvent O 0.2 mole of solute dissolved in 300mL of solvent O 0.1 mole of solute dissolved in 400mL of solvent
Q: An aqueous KNO3 solution is made using 72.5 g of KNO3 diluted to a total solution volume of 2.00 L.…
A: Given: Mass of KNO3 = 72.5g Volume= 2.00L Density of the solution= 1.05 g/ml To find: molarity,…
Q: A solution containing 15.2 grams of an unknown nonelectrolyte in a 150.0mL total volume produced as…
A: Given, mass of unknown non electrolyte (m) = 15.2 g Volume (V) = 150.0 mL = 0.150 L Osmotic…
Q: Two solutions are prepared using the same solute: Solution A: 0.27 g of the solute dissolves in…
A: When a non-volatile solute is added to a solvent, then it occurs a decrease in the freezing point of…
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: What is the molalityof solution made by dissolve 25 g of NaCl in to 2.0 Liter of water. Assume the…
A: Given: Mass of NaCl=25 g Volume of water=2.0 L Density of water=1.0 g/mL
Q: Consider naphthalene, C10H8, the active ingredient of moth balls. A solution of naphthalene is…
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Q: he solubility of glucose is 357g/100g H20 at 70C. A solution is prepared by mixing 300g of glucose…
A: Solubility is the ability of a solid, liquid, or gaseous chemical substance to dissolve in solvent…
Q: A solution made by dissolving 150.0 g of an unknown compound in 425.0 mL of benzene to make a…
A: The volume of benzene = 425 mL. Density of benzene = 0.877 g/mL The mass of the solvent = 425 g/mL…
Q: a solution is made using 194.3 g of toulene (MM = 92.13 g/mol) and 80.0g of benzene (MM=78.11 g/mol)…
A: Given, Mass of toluene (solvent) = 194.3g. Molar mass of toluene = 92.13g/mol. Mass of benzene…
Q: A solution was prepared by dissolving solute T in 115 g benzene. The freezing point of this solution…
A: Depression in freezing point is given by the expression:ΔT = Kf x m…
Q: The density of an aqueous solution containing 15.0 percent of ethanol (C2H;OH) by mass is 0.976…
A: Given information: Density of solution of ethanol = 0.976 g/mL Mass percent of ethanol - 15.0 %,…
Q: Which solution has lower vapor pressure? A.) a 0.2M KNO3 Solution B.) all four solutions given have…
A: Colligative properties : Those physical properties of a solution which depend upon the number of…
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: Which solution is the most concentrated? O 0.3 mole of solute dissolved in 200mL of solvent O 0.4…
A: In order to find out the most concentrated solution, the concentrations of the solutions should be…
Q: A solution of sucrose (molecular mass 342) is prepared by dissolving 68.4 g of i per liter of the…
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Q: Consider a solution of 34.2 g of sucrose and 200g of water. The solution has a density of 1.1 g/mL…
A: a) mass percentage = (mass of solute/ mass of solution) × 100 b) mole fraction = moles of the…
Q: an aqueous solution that is 25.0% H2SO4 by mass has a density of 1 the molarity and molality of this…
A: Given, 25% by mass, 100 g solution contains 25 g H2SO4. Mass of solvent = 75 g = 0.075 kg Moles of…
Q: Which solution is the most concentrated? O 0.2 mole of solute dissolved in 300mL of solvent 0.3 mole…
A: Given here four different solutions and we are asked to identify the mostconcentrated solution among…
Q: A solution is made using 90.1 g of dimethyl ether (MM = 46.07 g/mol) and 110.0 g of methanol (MM =…
A: Molality of the solution is equal to the number of moles of solute present in one kilogram of the…
Q: 13.58 An automobile antifreeze mixture is made by mixing equal volumes of ethylene glycol (d 1.114…
A: Given:- The antifreeze mixture consists of ethylene glycol and water and the volume of…
Q: Consider naphthalene, C10H8, the active ingredient of moth balls. A solution of naphthalene is…
A: Molality (m) :- The number of moles of solute dissolved in 1 kg of solvent is defined as molality…
Q: Atomic Weights, g/mol: 0 =16 Na = 23 S=32 CI =35 Fe=56 C = 12 H=1 1. A solution is made by…
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Q: List the following solutions prepared with the same solute in order of increasing concentration: I.…
A: The mass of solute (in gram) present in 100mL of the solution is known as the m/v percent…
Q: A solution is prepared (data below). Calculation the molality (mol/Kg) of the solution. Solvent:…
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Q: A solution is prepared by dissolving 1g of LiF in 10g of H2O. In this solution LiF is the a. Solute…
A: A solute is the species which is present in less amount and solvent is the species which is present…
Q: A solution of H2SO4 containing 500.0 g of H2SO4 in 1 L of solution has a density of 1.329 g mL-1 .…
A: In the given solution of H2SO4, 500.0 g of H2SO4 in 1 L of the solution and its density is 1.329 g…
Q: Don Juan Pond in the Wright Valley of Antarctica freezes at-57 C. The major solute in the pond is…
A: The question is based on the colligative property of depression in freezing point. solutions have a…
Q: What is the mole fraction of glycerol
A: Mole fraction of glycerol = number of moles of glycerol ÷ total number of moles Number of moles=…
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: 98 K, the osmotic pressure of a glucose solution ( atm. Calculate the freezing point of the…
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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: A solution containing 10.0 g of an unknown nonelectrolyte solute and 90.0 g water has a freezing…
A: Mass of non-electrolyte solute = 10.0 g Mass of solvent (Water)= 90.0 g Depression in freezing…
Q: Which statement is false? The vapor pressure of a solvent over a solution is less than that of pure…
A: a. According to colligative properties , vapour pressure of a solvent over solution is lesser than…
Q: 0.500 g of an unknown nonelectrolyte are dissolved in 25.0 g water. The resulting solution froze at…
A: Given mass of unknown electrolyte = 0.500 gram Mass of solvent = 25 gram…
Q: Consider a solution of 34.2 g of sucrose (C12H22O11) and 300 g of water. The solution has a density…
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Q: A 0.396 molal glucose solution has a density of 1.16 g/mL. What is the molarity of glucose (molar…
A: Given, Molality of glucose solution = 0.396 m Density of glucose solution = 1.16 g / mL Molar mass…
Q: An aqueous solution is prepared by diluting 3.30 mL acetone (d = 0.789 g/mL) with water to a final…
A: Given. The volume of acetone is 3.30 mL. The volume of final solution is 75.0 mL. The density of…
Q: A 3.16 L aqueous solution of KOH contains 181 g of KOH. The solution has a density of 1.29 g/mL…
A: We know that Molarity : Molarity is defined as the moles of a solute per liters of a solution.…
Q: solution was made by dissolving 12.5 g of sodium phosphate in 125.00 mL of water. The volume of the…
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Q: The mass of an aqueous solution that contains 10.1 g of KNO3 (101 g/mol) is 154.1 g . Calculate : 1.…
A: Molality - is the concentration of solution with number of moles of solute dissolved in 1 kg of…
Q: A solution is prepared by dissolving 20.2 mL of methanol CH4O in 100 mL of water at 25 °C. The final…
A: We are given: Volume of methanol, VCH3OH= 20.2 mL Volume of water, VH2O= 100.0 mL Volume of…
Q: An aqueous KNO3KNO3 solution is made using 84.9 gg of KNO3KNO3 diluted to a total solution volume of…
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Q: A solution is formed when 0.5822g butanol (MM= 74.121 g/mol) is dissolved in 87.0246g hexane…
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Q: 1. A 0.194 g sample of a nonvolatile solute dissolves in 9.82 g of cyclohexane. The change in…
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Q: A solution is made by dissolving 4.35g glucose (CeH12O6) in 25.0 mL of water at 25°C. Calculate the…
A: Molality, or molal concentration, is a term that refers to the amount of a substance in a given…
Q: 100 ml of a non-electrolyte aqueous solution contains 2.14 g of an unknown substance. If the…
A: Using colligative properties depression in freezing point we can find the mass of unknown required.
Q: Atomic Weights, g/mol: 0 =16 Na = 23 S=32 Ci =35 Fe=56 C = 12 H=1 1. A solution is made by…
A: Moles of NaCl (solute) = 0.100 mol Moles of water (Solvent) = 8.60 mol * Mole fraction of Solute…
Q: what volume of solution in liter is required to make a 1.5 M solution by dissolving 10.3 grams of…
A: Molarity of the solution is number of moles of Solute present in one liter of solution. It is…
Q: True or False? Molarity of a solution is independent of the temperatuture of the solution. (In…
A: Given statement : Molarity of a solution is independent of the temperatuture of the solution. (In…
Q: A solution is made using 81.7 g of hexane (MM = 86.18 g/mol) and 60.0 g of octane (MM = 114.2…
A: We know that, Number of moles = mass/molar mass Mole fraction = Moles of Solute or solvent/Total…
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- The Henry’s law constant for CO2 in water at 25 °C is3.1x 10-2 M atm-1. (a) What is the solubility of CO2 inwater at this temperature if the solution is in contact withair at normal atmospheric pressure? (b) Assume that all ofthis CO2 is in the form of H2CO3 produced by the reactionbetween CO2 and H2O:CO2(aq) + H2O(l)------>H2CO3(aq)What is the pH of this solution?An aqueous solution of acetic acid with a richness of 80% by passage (ρ = 1.07 kg/dm3) is available.a) What is the molarity and molality of this solution?b) What is the percentage of acid in this solution? c) What volume of said solution should we use to prepare 1 liter of 2.14M solution?A public water supply was found to contain 0.8 partper billion (ppb) by mass of chloroform, .(a) How many molecules would be present in a350 mL glass of this water? (b) If the in part (a)could be isolated, would this quantity be detectable onan ordinary analytical balance that measures masswith a precision of g?
- An automobile antifreeze mixture is made by mixing equal volumes of ethylene glycol (SG= 1.114; MW = 62.07 g/mole) and water at 20oC. The density of the mixture is 1.070 g/mL. Express the concentration of ethylene glycol as:a) Volume percentb) Mass percentc) Molarityd) Molalitye) Mole fractionWhat is the molarity of a solution in which 150g of CaO are dissolved in 1900mL of solution? (Use thefollowing given information: overline MW:Ca=40g/mol , O=16g/molA. 1.41 mol/LB. 0.0014 mol/LC. 0.0014 MD. 1.41 mThe freezing point of a 0.100 M acetic acid (CH3COOH) solution is determined to be-0.1878 C. Estimate the percent dissociation of acetic acid in this solution. Is it a strong orweak electrolyte? Note that acetic acid produces acetate (CH3COO-) and hydrogen (H+) ionswhen it is dissolved in water.
- Prepare 0.1 M solutions of NaOH and 0.1 M ethyl acetate using high-purity distilled water. So, weight desired amount of NaOH and ethyl acetate and dissolved in dH2O to prepare stock solution in equal molarity. Mw (NaOH) = 40.0 g/mol , Mw (EtOAc)= 88.1 g/mol, Density(EtOAc): 0.898 g/cm325 mL of a bleach (NaOCl) sample is diluted to 500 mL. An excessive amount of KI is added to the 20 mL solution taken from here and the I2 released is titrated with 35.5 mL of 0.0409 M NaS2O3. Accordingly, calculate the weight percent by volume of NaOCl in the sample. (MaNaOC:74,4 g/mol)279.28 mL of 1.22 M organic salt was mixed with 168.14 mL of Ethanol (d= 0.789 g/mL, MW 46.07g/mole). Pure ethanol has a vapor pressure of 0.059 atm what will be the vapor pressure of the solution?
- 1. What is the molarity of glucose (mol wt =180) in a solution containing 6.70g of glucose and 150 g of water? The final solution has a specific gravity of 1.015. Round off to 4 decimal places. 2. What is the osmolality of 12.5% by weight solution of AlCl (MW=133 g/mole)? 3. What is the normality (N) by w/v solution of CaCl containing 5 g of CaCl and 105g of water (CaCl MW=111 g/mole)? The specific gravity of the final solution is 1.35.A solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute, in enough water (m.w. = 18.02 g mol–1) to result in exactly 1 L of solution at 25 °C. Assume the density of the solution is that of pure water (dsolution = 1.000 g mL–1). The ebullioscopic constant (Kb) for water is 0.513 °C m–1. The cryoscopic constant (Kf) for water is 1.86 °C m–1. The vapor pressure of pure water is 0.0313 atm. Find the freezing point of the solution(in C to 2 decimal places)A solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute, in enough water (m.w. = 18.02 g mol–1) to result in exactly 1 L of solution at 25 °C. Assume the density of the solution is that of pure water (dsolution = 1.000 g mL–1). The ebullioscopic constant (Kb) for water is 0.513 °C m–1. The cryoscopic constant (Kf) for water is 1.86 °C m–1. The vapor pressure of pure water is 0.0313 atm. Find the vapor pressure of the solution to 3 decimal places in atm.