What is the mole fraction of potassium hydroxide, KOH, in a solution prepared from 54g of potassium hydroxide and 300.0g of water? Report your answer using two significant figures

Q: Calculate the volume in milliliters of a 0.594 mol/L barium acetate solution that contains 75.0 mmol…

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Q: In a 71.0-g aqueous solution of methanol, CH_0, the mole fraction of methanol is 0.220. What is the…

A: Since 71 g aqueous menas solution of methanol means mass of methanol is 71 g. First of all we will…

Q: A student dissolves 7.9 g of phenol (CH;OH) in 200. ml. of a solvent with a density of 1.16 giml.…

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Q: What is the Molarity of a solution of NaCl in water, if the mole fraction of NaCl is 0.111? The…

A: Given,mole fraction of NaCl = 0.111density of the solution = 1.19 g/mL

Q: A chemist combined chloroform (CHC13) and acetone (C₂H₂O) to create a solution where the mole…

A: The sum of mole fractions of the components in a binary mixture is equal to 1. Xchloroform +…

Q: Substance GAMMA has a vapor pressure of 318 torr at 19 °C. When a sample of the nonvolatile…

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Q: Consider a sealed solution of dichloromethane (vapor pressure = 353 mmHg at 20 °C) and chloroform…

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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: A solution is prepared by combining 4.82 grams of an unknown non-electrolyte with 305.0 grams of…

A: Given that: Mass of solute = 4.82 g Mass of chloroform = 305.0 g = 0.305 kg Freezing point of the…

Q: What is the mole fraction of methanol, CH3OH, in an aqueous solution that is 40.0% methanol by mass?…

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Q: A student dissolves 19. g of biphenyl (C12H10) in 425. mL of a solvent with a density of 1.12 g/mL.…

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Q: Ben prepared a salicylic acid in pentanol solution by adding 6.11 g of salicylic acid to 67.77 mL of…

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Q: acetone ((CH 3 ) 2 CO) and 91. g of methanol (C*H_{3}*OH) Calculate the mole fraction of acetone in…

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Q: The electrolyte in automobile lead batteries is a 3.06 M sulfuric acid (H 2SO 4) aqueous solution.…

A: Given , Strength = 3.06 M density = 1.165 g/mL   We know,        Mass = density x volume…

Q: 1. A chemical technician assessed the composition of a liter of seawater and found to contain…

A: Here we are required to find the Molarity and molality of the solution

Q: A chemist combined chloroform (CHCl3) and acetone (C3H6O) to create a solution where the mole…

A: Given: The mole fraction of chloroform (Xchloroform) is 0.139 The density of chloroform is 1.48 g/mL…

Q: What is the boiling point, in °C,

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Q: Ben prepared a salicylic acid in pentanol solution by adding 4.77 g of salicylic acid to 91.88 mL of…

A: Given: Mass of salicylic acid = 4.77 g Volume of pentanol = 91.88 mL MW of salicylic acid= 138.12…

Q: When 3.14 g of a nonelectrolyte solute is dissolved in water to make 325 mL of solution at 22 °C,…

A: Given ,  Mass of non electrolyte (w) = 3.14 g Volume of solution (V) = 325 mL = 0.325 L Temperature…

Q: An automobile antifreeze solution contains 2.70 kg of ethylene glycol, CH2OHCH2 OH , and 1.90 kg of…

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Q: An engine coolant is an aqueous solution of ethylene glycol, HOCH¿CH¿OH, 40.0 % by mass with a…

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Q: mass

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Q: Calculate the number of moles of H2O2H2O2 in 450ml of a 35% H2O2H2O2 solution. Molar mass of H2O2=…

A: Given solution’s molarity is manipulated or calculated through the use of given volume value and…

Q: Henry's law may be expressed in different ways and with different concentration units, resulting in…

A: Here, we have to find Henry Constant. For which we have to first calculate mole fraction of xenon.

Q: The mole fraction of CaSO4 in an aqueous solution is 0.015. What is the percent by mass of calcium…

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Q: How many grams of water are needed to dissolve 6.77 g of sodium carbonate, Na2CO3, in order to…

A: Given,

Q: Ethylene glycol (C₂H₆O₂) is used as an additive to the water in your automobile to lower its…

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Q: What is the mole fraction of solute in a 3.12 m aqueous solution? Xsolute = x10 TOOLS

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Q: 4 a)The mole fraction of iron(III) nitrate, Fe(NO3)3, in an aqueous solution is 6.42×10-2 . The…

A: The composition of a mixture can be expressed in different units like mole fraction, mass percent,…

Q: What is the mole fraction of solute in a 3.69 m aqueous solution? Xsolute = x10 TOOLS

A: Answer:-This question is answered by using the simple concept of calculation of mole fraction using…

Q: Calculating the freezing point of an aqueous solution 3. What is the freezing point of an aqueous…

A: When a salt (which completely dissociates) is added to water it lowers the freezing point of the…

Q: Answer this: Suppose you dissolve 77 grams of carbon tetrachloride (CCI4) in 78 grams of acetone…

A: The mole fraction of any compound is the ratio of the no of moles of that compound to that of…

Q: A certain liquid X has a normal freezing point of -1.20 °C and a freezing point depression constant…

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Q: 1.You have a solution which is 40.7% by mass isopropyl alcohol (MM = 60.11 g/mol) in water. The…

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Q: A bleaching solution contains sodium hypochlorite, NaClO, dissolved in water. The solution is 0.650…

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Q: What is the mole fraction of water including the total solute concentration (Na+, Cl-) when 10.0 g…

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Q: Calculate the mole fraction of solute if the density of the solution is 1.289 g/mL.

A: Given :-  Molarity of H2SO4 solution = 4.16 M  Density of solution = 1.289 g/mL  To calculate :-…