The rate of diffusion of an unknown gas was determined to be 92 times greater than that of NH3. What is the approximate molar mass of the unknown gas? show your solution

Q: Differentiate among a homogeneous solution, suspension and a colloidal solution, giving a suitable…

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Q: solution of CaCl2 is made by dissolving 55.5g of CaCl2 in enough water to yield 0.750 L of solution.…

A: 1- First we will calculate the concentration of CaCl2 in 0.750L volume of the solution.  moles of…

Q: The figure below provides a particle-level view of a sealed container partially filled with a…

A: An ionic compound is sort of a chemical compound that is made by the transfer of electrons between…

Q: What is the mole fraction of solute in a 3.26 m aqueous solution?

A: molality of a solution = 3.26 mmole fraction of a solute =?

Q: What mass of Mg F2 is

A: Mass of solution=75.85gMass Percent=22.4%Mass of solute(MgF2)=?

Q: Two liters of liquid A are mixed with two liters of liquidB. The resulting volume is only 3.95 L.…

A: A solution is said to show -ve deviation if the measured partial vapor pressures of the components…

Q: A 100mL sample of concentrated H2SO4 is diluted with water until the final volume is 500 mL.…

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Q: What is the temperature of a sample of gas that has 4.5 moles in 40,550 mL at a pressure of 500 mm…

A: The question is based on ideal gas equation. We have to calculate temperature of the gas whose…

Q: 8. A reagent bottle in the lab has a label that reads, "12.5% by mass potassium iodide solution".…

A: mass of potassium iodide = 42.5 gmass % of potassium iodide solution = 12.5 %mass of a solution = ?

Q: the boiling point of an aqueous solution is 101.32 degrees celcius. What is the freezing point ?

A: 1. Find the depression in the boiling point.2. Find the product of molality and van't Hoff factor…

Q: How many grams of sodium hydroxide are required to prepare 750 mL of a 5.0% solution? We'll assume…

A: In percent solutions, the amount (weight or volume) of a solute is expressed as a percentage of the…

Q: 25 litres of a 1.0 M solution of bromine in dichloromethane. determine the volume of each liquid

A: Given: Concentration of bromine in solution = 1.0 M And volume of solution = 25 L.

Q: A 8.0 m NaCl solution would have what mass percent of NaC in the solution? The molar mass of NaCl is…

A: Molality is the way to express the concentration of any solution. It can be defined as the number of…

Q: How many moles of calcium carbonate are there in a 3.1 L of a 0.527 M solution?

A: Molarity = moles of solute/Volume of solution(L)

Q: Daltons law states tha a. The volume of gas that will dissolve and the solvent is proportional to…

A: The other options are from Gas Laws.

Q: Calculate the molality of phosphoric acid (H3PO4) in a 34.5% (by mass) aqueous solution.  A. 5.37 m…

A: The ratio depicting solute's moles contained in solution weighing 1 kg solvent is designated as…

Q: Determine the mass in grams of NaCl in 225g of solution if the percent by mass of NaCl is 9.50%.

A: Mass percentage is defined as- Mass percentage of component 1 = Mass of component 1Total mass×100

Q: A 106.1 mL of an H2SO4 solution contains 2.49 g of H2SO4. Calculate the normality of the solution.…

A: * Volume of Solution = 106.1 ml ( 1 L = 1000 mL) Volume of Solution = 0.1061 L * Mass of Solute…

Q: How many grams of HNO3 are in 78.8 g of a solution that 23.1 % HNO3 by mass?

A: Given : % by mass of HNO3 = 23.1 And Mass of solution = 78.8 g

Q: What is the melting point of a solution prepared from the given quantity of solute in 1.00 kg of…

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

Q: How many grams of chlorine gas are needed to make 4.30×106 g of a solution that is 1.70 ppm chlorine…

A: Given: The mass of solution, (M) = 4.30×106. The parts per million, (ppm) = 1.70 To find: The mass…

Q: How does the concentration of a gas in solution change when the partial pressure of the gas above…

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Q: Chlorine bleach is a solution containing sodium hypochlorite and water.  The typical bottle of…

A: Given that  mass of sodium hypochlorite = 3.25 g concentration mass by volume = 5.5 %

Q: The gas sample has a volume of 31.4 μL at 22.6 °C. What is the volume of the gas after the sample is…

A: The initial volume of the gas sample = The initial temperature of the gas sample = The gas sample is…

Q: A beaker in front of you hold 95.0 g of a solution containing 33.375 g of sodium chloride in water.…

A: Solution is made up of two components: solute and solvent. Component which is present in minor…

Q: For the following reaction: H₂CO3 + 2 NaOH Na2CO3 + 2 H₂O Calculate the normality of a solution that…

A: we have to calculate the normality of solution

Q: What is the mole fraction of solute in a 3.79 ?3.79 m aqueous solution?

A: The number of moles of solute present in one-kilogram of solvent is known as the molality of the…

Q: is ethanol a soluable solution? Miscible?

A: Before answering the question, it's important to understand the terms 'soluble' and 'miscible'.…

Q: How many grams of potassium permanganate are present in 47.59mL of a 3.75M solution?

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Q: How many moles of calcium carbonate are there in a 2.50 L of a 3.44 M solution?

A: Given: Volume= 2.50 L Concentration= 3.44 M

Q: 2. A beaker of water and a beaker containing a sugar solution were placed in a closed container at…

A: Since the sugar solution has lower molar fraction of water than other water beaker.(pure water)).…

Q: Identify the solute (s) and solvent in the following solutions. 1. coffee and sugar 2. Water and air

A: The answer for first two questions are given below.  kindly Repost the other question as separate…