Calculate mass concentration of a solution obtained by evaporation of 15 gram of water from 75 gram of 4% mass solution.

Q: Calculate the mole fraction of nitric acid of a(n) 19.5% (by mass) aqueous solution of nitric acid.

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Q: Calculate the mass percent of a NaCl solution in which 117 g of NaCl is dissolved 4.15 L of water at…

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Q: A solution is prepared by dissolving 54.0 grams of ethylene glycol (C2H6O2) in 245 grams water. What…

A: The mass % of ethylene glycol solution is calculated as shown in equation (1) where m1 and m­2 are…

Q: 10.) What is the amount in grams of H₂0₂ needed to make a 6kg, 3% by mass H₂02 solution?

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Q: The concentration of commercially available concentrated hydrochloric acid is 36.0 percent by mass,…

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

Q: Define the term colloidal dispersions?

A: When particles are randomly distributed in a substance or medium then it means the particles are…

Q: Calculate the mole fraction of the solute in a 0.112M aqueous solution of C6H12O6. The density of…

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Q: 2) For a solution of 4.60 m CUC12, calculate the molarity of the solute. The density of the solution…

A: Given molality of the solution is 4.60 m, which means 4.60 moles of the solute are present in 1 kg…

Q: A solution was prepared by dissolving 2.0 g of material in 1500 mL of water, removing 1 mL of this…

A: Given,  Mass of solute = 2 g Molar Mass of solute = 147 g/mol

Q: Determine the molarity and normality of 15% sulfuric acid (H 2 SO 4 ) By mass  and By volume. Assume…

A: By mass:15% sulfuric acid means that 15 g of H2SO4 is dissolved in 100 g of solution.The molar mass…

Q: An ethylene glycol solution contains 21.2 g of ethylene glycol (C2H6O2) in 85.4 ml of water.…

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Q: At 25.0 °C the Henry's Law constant for nitrogen monoxide (NO) gas in water is 0.0019 M/atm.…

A: Answer:Henry's law gives us the mathematical relation for the solubility of gases in a solvent which…

Q: An aqueous solution is prepared by diluting 4.20 mL acetone (d = 0.789 g/mL) with water to a final…

A: Volume of acetone is 4.20 mL. Density of acetone is 0.789 g/mL. Density of solution is 0.993 g/mL.…

Q: At 25.0 degrees Celsius the Henry’s Law constant for nitrogen trifluoride (NF3) gas in water is 7.9…

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Q: Calculate the molality of a solution containing 23.8 g of NaCI in 70.0 g of water. 2.45 x 10-4 m…

A: Answer 1 :- Given mass of KCl = 3.64 g Molar mass of KCl = 74.5513 g/mol Volume of water = 200 mL =…

Q: An aqueous solution contains 43.4% glucose (C,H12O6) by mass. Part A Calculate mole fraction of…

A: Number of moles of a chemical compound is used to measure the amount of compound in the given…

Q: Calculate the mass percent of a NaCl solution in which 189 g of NaCl is dissolved in 4.69 L of water…

A: Given that, Mass of NaCl to be dissolve in water m1  = 189 g Volume of NaCl solution in water m2 =…

Q: A nonvolatile organic compound Z was used to make up a solution. Solution A contains 5.00 g of Z…

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Q: Determine the molarity and mole fraction of a 1.01 m solution of acetone (CH3COCH3) dissolved in…

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Q: 1. A solution containing water (H2O) and ethanol (CH3CH2OH) has an initial mole concentration…

A: The solution is heated to the boiling point of ethanol (78.4 °C). The vapor pressure of water at…

Q: Calculate the mass of solute required to make a sodium chloride solution containing 1.70 x 102 g of…

A: Mass of Water (Solvent) = W1 = = 170 g = 0.170 kg Melting point = Freezing point of Solution = T =…

Q: To what volume should you dilute 126 mLmL of an 7.15 MM CuCl2CuCl2 solution so that 50.5 mLmL of the…

A: According to the question, The initial volume of solution = V1 =  126 mL The Molarity of the…

Q: Determine the freezing point of a solution that contains 78.8 g of naphthalene (C10Hg, molar mass =…

A: Given:Mass of napthalene (C10H8) = 78.8 gMolar mass of (C10H8) = 128.16 g/molDensity of benzene =…

Q: A dioxin-contaminated water source contains 0.085% dioxin by mass. How much dioxin is present in 2.5…

A: The answer to this question is as follows---------- density = mass/volume

Q: Explain below the effect of adding a non-volatile solute to a volatile solution would have on vapor…

A: The compounds which gets vaporize easily are termed as volatile. The volatility of compounds…

Q: Determine the freezing point of a solution that contains 62.8 g of urea (CH 4N 2O) dissolved in 275…

A: freezing point of a solution is - 7.08 °C  .

Q: Calculate the boiling point and freezing point of 10 g of C6H12O8 dissolved in 259 g of water.

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Q: A solution is prepared by dissolving 20.2 mL of methanol (CH3OH) in 100.0 mL of water at 25 degrees…

A: We have to calculate the mole fraction and mole percent.

Q: The normal boiling point of a certain liquid X is 134.60 °C, but when 91.3 g of urea (CH4N₂O) are…

A: Given : data  Tip: apply equation of elevation in Boiling point

Q: What is the mole fraction of glucose (C6H1206) in a 7.82 M aqueous solution of glucose? Assume the…

A: Given data,Molarity=7.82MDensity of solution=1.00g/mL

Q: A 0.183 m aqueous NaBr (molar mass =102.89g/mol) solution was created (density 1.038g/mL). What is…

A: The solute is NaBr and the solvent is water. XNaBr  = nNaBrnNaBr + nH2O where nNaBr and nH2O are the…

Q: What mass of glucose (C6H12O6) must dissolve in 679 g of ethanol to make a 0.92 m solution?

A: Molality of solution is equal to number of moles of solute dissolved in per kg of solvent. It is…

Q: Calculate the freezing temperature of a solution where 144 grams of C6H1206 were dissolved in 1500 g…

A: Depression in freezing point numerical.

Q: Calculate the percent by mass of the solute in the following aqueous solution. Round your answer to…

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Q: Determine the boiling point of a solution that contains 70.6 g of naphthalene (molar mass 128.16…

A: Molality of solution can be calculated as follows:

Q: During the Flint, Michigan water crisis, the lead level reached 27 ppb. Although no amount of lead…

A: 1 ppb = 10-6 g / L 1 M = 1 mol / 1 L Using this unit conversions, ppb can be converted to molarity.

Q: The freezing point of water is 0.00°C at 1 atmosphere. A student dissolves 12.66 grams of…

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Q: Calculate the number of gram of solute necessary to prepare 400.0 gram of a 0.500 m solution of…

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

A: Freezing point depression is the decrease of the freezing point of a solvent due to the addition of…

Q: Calculate the mass/volume percent of a NaClNaCl solution in which 151 gg of NaClNaCl is dissolved in…

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Q: Calculate the freezing point and boiling point of the solution

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