A solution is made using 79.9 g of phenol (MM = 94.11 g/mol) and 90.0 g of acetone (MM = 58.08 g/mol). What is the molality of the phenol in the solution? %3D
Q: An alcoholic beverage with a density of 1.046 g/mL has an ethanol (C2H5OH, FM 46.068) concentration…
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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: A 120.0 gram solution is prepared at 80° C that is saturated with NaNO3 (MW=85.0 g/mole; solubility…
A: solubility of NaNO3 = 108 g/100 g water.
Q: A solution is made using 182.1 g of dimethyl ether (MM = 46.07 g/mol) and 90.0 g of methanol (MM =…
A: Molar mass means the number of grams in a mole of any given substance. These substances can be an…
Q: A solution is made using 134.1 ml of phenol (density 1.090) and 500.0 ml of water (density 1.000).…
A: Given Volume of phenol = 134.1 ml density of phenol = 1.090 gm/cm3 Volume of water = 500 ml…
Q: A solution is made using 150.0 mL of ethanol (density 0.7892 g/mL) and 350.0 mL of water (density…
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Q: Need help with #59
A: Concentration relies on the solute’s amount and solvent’s amount and measured in various forms like…
Q: Calculate the molality of a solution formed by adding 8.70 g NH,Cl to 17.2 g of water. molality: m…
A:
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…
A:
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: The density of acetonitrile (CH3CN) is 0.786 g/mL and the density of methanol (CH3OH) is 0.791 g/mL.…
A: Mass of acetonitrile is calculated from its density and given volume.
Q: Calculate the molality of a solution that contains 70g naphthalene C10H8 in 100 g of water. The…
A: Given :- Mass of naphthalene = 70 g Mass of water = 100 g To calculate :- Molality of solution
Q: 1. A solution with a density of 0.876 g/mL contains 5.0 g of toluene (?7?8) and 225 g of benzene…
A: The concentration of solution is calculated in the different forms such as molarity, molality, mole…
Q: A solution made by dissolving 150.0 g of an unknown compound in 365.0 mL of benzene to make a…
A: Use simply, Delta Tf = Kf * m
Q: A solution made by dissolving 150.0 g of an unknown compound in 200.0 mL of benzene to make a…
A:
Q: (a) What is the molality of a solution formed by dissolving 1.12 mol of KCl in 16.0 mol of water?…
A: Molality is unit of concentration and is defined as the number of moles of solute per mass of the…
Q: What is the molality of a solution
A: Molality = number of moles of solute/mass of solvent in kilogram Number of moles = mass/molar mass
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: A solution is made using 200.0 mL of ethenol ( density 0.792 g/mL) and 300.0 mL of water ( density…
A: Given:Volume of methanol = 200 mL.Density of methanol = 0.792 g/mL.Volume of water = 300 mL.Density…
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: What is the molality of a solution prepared by dissolving 23 g of ethanol in 200 g of water?
A: Mass of ethanol = 23 gMolar mass of ethanol =46 g/moleNo of moles of ethanol = Mass of ethanolMolar…
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: 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: Calculate the molality of a solution formed by adding 7.10 g NH,Cl to 16.1 g of water. molality: m…
A: Given: Mass of NH4Cl = 7.10 g. And mass of water i.e. solvent = 16.1 g = 0.0161 Kg…
Q: A solution containing 26.70 mg of an unknown protein per 21.5 mL of solution was found to have an…
A: Given, Mass of an unknown protein = 26.70 mg = 0.0267 g Volume of the solution (V) = 21.5 mL =…
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 solution is made using 79.9g if phenol (MM = 94.21 g/mol) and 90.0 g of acetone (MM = 58.08…
A:
Q: What is the molality of a solution containing 85.3 g of silver perchlorate (A9CIO4) dissolved in 932…
A: Mass of silver perchlorate (AgClO4) = 85.3 gram Molar mass of silver perchlorate = 207.319 g/mol…
Q: A solution was in a prepared by dissolving 5.46 g of para-dichlorobenzene (C6H4Cl2) in 50.0 mL…
A: Molality of any solution can be determined by dividing the number of moles of solute by the mass of…
Q: A solution is made using 111.5 g of dimethyl ether (MM = 46.07 g/mol) and 90.0 g of methanol (MM =…
A:
Q: A solution is made using 88.1 g of dimethyl ether (MM = 46.07 g/mol) and 110.0 g of methanol (MM =…
A: Given : We have to calculate the molality .
Q: A solution is made using 137.9 g of dimethyl ether (MM = 46.07 g/mol) and 90.0 g of methanol (MM =…
A:
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: 14. How many grams of potassium hydroxide are needed to make 600.0mL of 0.450M potassium hydroxide…
A: Hey, since there are multiple questions posted, we will answer first question. If you want any…
Q: Assume you dissolve 45.0 g of camphor, C10H16O, in 425 mL of ethanol, C2H5OH. Calculate the…
A:
Q: A solution is prepared by mixing 50.0 mL of ethanol (C2H5OH; molar mass = 46.068 g/mol) in 100.0 mL…
A:
Q: Calculate the molality of a solution formed by adding 2.40 g NH,CI to 11.1 g of water. molality: m…
A: Molality is used for measuring concentration of a solution.The symbol used for denoting molality is…
Q: Calculate the molality of a solution that contains 51.2 g of naphthalene, C1,Hg, (128.17 g/mol), in…
A: Given, The mass of naphthalene is 51.2 g. The molar mass of naphthalene is 128.17g/mol. The Volume…
Q: A solution is made using 125.4 mL of ethanol (density 0.7892 g/mL) and 350.0 mL of water (density…
A: Mass of ethanol = density of ethanol × Volume = 0.7892 g/ml × 125.4 ml = 98.965 g So, no. of moles…
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: 3. A solution is prepared by dissolving 66.0g of acetone, C3HeO, in 146.0g of water. The density of…
A:
Q: One gram of aluminum nitrate is dissolved in 2.95 liter of water at 20.0 °C. The density of water at…
A: Mass of aluminum nitrate = 1 g Volume of water = 2.95 L Density of water = 0.9982 g/cm3 Density…
Q: A solution made by dissolving 150.0 g of an unknown compound in 425.0 mL of benzene to make a…
A: The molality of the solution is to be calculated The moles of the unknown compound was dissolved in…
Q: Calculate the molality of each of the following solutions: (a) 8.66 g of benzene 1C6H62 dissolved in…
A: Given data are as follows for a) 8.66 g of benzene 23.6 g of carbon tetrachloride for b) 4.80 g of…
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: 2. Calculate the molality of a solution prepared by dissolving 4.75 g of C10H8 (s) in 75.0 mL of CH6…
A: Given that, Weight of C10H8(s) to be dissolved in C6H6(l) = 4.75 g Moles of C10H8(s) to be…
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- Assuming that A is 0.458, b (cm) is 1.00, c (Molarity) is 1.2 x 10^-3, molecular weight is 300 g/mole and the density of the solution is 1.00 g/mL), what is its %T? What is the value of ε (L/mole-cm) and c (ppm)?Match the concentration with the appropriate statement. Question : 123456 30 g of NaCl in 500 mL of solution 123456 125 g of copper (II) sulphate in 500 g of water 123456 46 g of NaOH in 100 mL of water 123456 3 mL of hydrogen peroxide in 10 mL of water 123456 5.25 g of AgNO3 in 50 g of water 1. 1.03 M 2. 10.5% (M/M) 3. 25% (M/M) 4. 30% (V/V) 5. 46% (M/V) 6. 5.25% (M/M)3. The following molarities were calculated from replicate standardizations of a NaOH solution: 0.502 8, 0.502 9, 0.502 3, 0.503 1, 0.502 6, 0.502 7, 0.503 4, and 0.502 5. Assuming no systematic errors, within what range are you 90% certain that the true mean value of the molarity falls?
- Calculate the: %m/v, %v/v, %m/m and M of a solution that contains 28.0 grams of KNO3 in 300.0 mL ofwater. The density of KNO3=2.11g/mL and the density of H2O=1.0g/mL.The normal freezing point of ethanol (CH3CH2OH) is -117.30 °C and its Kfpvalue is 1.99 °C/m. A nonvolatile, nonelectrolyte that dissolves in ethanol is testosterone . How many grams of testosterone, C19H28O2 (288.4 g/mol), must be dissolved in 267.0 grams of ethanol to reduce the freezing point by 0.300 °C?Answer: ______g testosterone.Starting from a 0.365M CuSO4 solution, which of the following amounts of solute from said standard solution would you need to prepare 200 mL of a 1.00% (p / v) aqueous CuSO4 solution?(CuSO4 159.609 g / mol) Select one: a.0.216L b.73.8g c.24.0mg d.34.3mL
- Solute: H2SO4 Composition of Solution: mole% H2SO4 = 40 % Density, g/mL: 20 degrees: 1.681 ; 80 degrees: 1.625 Find: 1. g solute per 100 mL of solution at 80 degrees 2. g solute per 1000 mL of solution at 20 degrees 3. ppm of soluteIf a 35.0 mL water sample has a water hardness of 91.2 ppm CaCO3, then how many moles of Ca2+ ions are present in the sample?calculate the molarity of CaSO4 (s) in 0.450 M Na2SO4(aq) at 25°C. the ksp of CaSO4 is 4.93 x 10^-5. give answer in stnadard not scientific notation
- 3. What is the %v/v of 10.0 mL of CH3OH (methanol) dissolved in water to a volume of40.0 mL?A 25.0-mL sample of 60.0% isopropyl alcohol solution was distilled at 82.6°C. If the volume ofthe collected isopropanol is 10.0 mL what is the recovery?An antiseptic solution is made by mixing phenol with water in the ratio 2: 25. This solution is then mixed with further water in the ratio of 3: 4. How much water would be contained in 1L of the final solution? (Answer to the nearest mL.)?