A solution has a mole fraction of 0.05 for NaOH in water, what is the mole percent and what is the mass percent?

Q: In a 4.0 m of aqueous solution, what is the number o f moles of solute dissolved in 350g of water?

A: Given;

Q: ▼ Part A - Using the definition for mole fraction. A solution was prepared by dissolving 175.0 g of…

A: First we have to calculate the moles of KCl and moles of water,mass of KCl = 175.0 gmolar mass of…

Q: How much of a 31.0 M hydrochloric acid solution would you dilute to prepare 50.00 mL of 4.00 M HCl?…

A:

Q: How many grams of solution that is 5.2% sucrose by mass are needed to obtain 18g of sucrose

A: Solution stoichiometry involves the calculation of concentration of solutions in the given…

Q: True or False: The equivalent mass is always larger in value than the molar mass.

A: Given statement :-  The equivalent mass is always larger in value than the molar mass.

Q: Do colloids made only of gases exist? Why or whynot?

A: A colloid is a mixture that has particles ranging between 1 and 1000 nanometers in diameter, yet are…

Q: Fill in the Blanks: In a solution that is 45% ethanol and 55% water, the solute is AA and the…

A: Solution having 45% ethanol and 55% water. Solute + solvent = Solution  Solute is dissolved in…

Q: Use colligative properties of solutions to calculate molar massesof solute?

A: Elevation in boiling point and depression in freezing point are some of the major colligative…

Q: What is the mass percent of the solutions that contains 50 g solute and 50 g solvent? Express your…

A: The concentration of a substance can be measured in terms of mass by mass percentage. This…

Q: 1500 g of 35 % NaCl solution have of water. g of NaCl dissolved in 6.0 g

A:

Q: Determine the amount in grams of KCl

A: % w/w = (mass of solute/mass of solution) x 100  % w/w = percent by mass

Q: A solution contains a solute with molar mass 94.5 g/mol. The solution is 1.77m and 1.70 M. Calculate…

A: The solution's density gives an idea of how much mass is present per 1000 mL of that solution. A…

Q: What volume of water is required to make up 250ml of 0.5 NAcl solution by dilution of a 10.OM Nacl…

A: Since the process is dilution. Hence only water is being added to 10.0 M NaCl solution. Hence moles…

Q: A solution contain 28% phosphoric acid by :mass. This means

A: % by mass = 28% Given question doesn't mention mass of solution so we will assume mass of solution…

Q: A 5mL solution has a mass/volume percent of 95%. What is the amount of solute that is dissolved?

A: We have, mass/volume= 95%  which means  mass volume percentage = mass of solute(g)volume of…

Q: Please define molality, molarity, normality, mass percent, volume percent.

A: Molality, molarity, normality, mass percent, and volume percent are all quantitative concentration…

Q: Calculate grams of sucrose that must be added to 485.2 grams of water to prepare a 53.32 % by mass…

A: Given % by Mass solution = 53.32 %Mass of water = 485.2 gGrams of sucrose needed = To be determined

Q: A solution is made by dissolving 0.100 mol of NaCl in 6.85 mol of water. What is the mass percent of…

A: Given is  0.100 mol of NaCl and 6.85 mol of water. We need to find mass percent of NaCl. We know…

Q: what is the percent concentration of a solution containing 20g of surgar in 125g of a solft drink.

A: Given: The mass of sugar=20 g The mass of soft drink=125 g

Q: Molarity Molality Normality Mole fraction Percent composition Percent Yield

A: Number of moles = mass(g)/ molar mass  Number of gmEq = weight of substance /equivalent weight of…

Q: solute will have the lowest freezing

A:

Q: A 0.200 M solution of NaOH, which contains 0.250 mole of solute, would have a volume, in…

A: moles of NaOH solute= 0.250 molConcentration of NaOH solution = 0.200 M = 0.200 mol/LVolume of a…

Q: A solution is 6.25% by mass Na2SO4. How many moles of Na2SO4 are in 370.0 g of solution? (SHOW…

A: Mass of Na2SO4 present in 370 g of solution = (6.25 / 100) x 370 = 23.125 g

Q: You have a 350mL of a 1.5M NaCl solution. If boiling the water until the volume of the solution is…

A: Given,  Initial volume, V1 = 350 mL Initial concentration, S1 = 1.5 M Final volume, V2 = 200 mL…

Q: What is the mass percent of a solution made by dissolving 45.2 grams of NaCl into 150.0 gramsof…

A: GivenMass of NaCl = 45.2gMass of water= 150.0g

Q: What mass of a concentrated solution of nitric acid (68.0% HNO3 by ,ass) is needed to prepare 300.0g…

A:

Q: Grams of TyR in 33.0 g of solution that has 25% TyR by mass

A: Percentage by mass of the solute in the mixture can be expressed as the ratio of mass of solute to…

Q: A solution is prepared by dissolving 15.0 g of NH3 in 250.0 g of water. If The density of the…

A:

Q: solution is 32% (g/g) lithium nitride in water. If you have 0.69 moles of lithium nitride, how many…

A:

Q: Calculate the percent by mass of a solution made from 19 g NaCl (the solute) and 61 g water.

A: Percent by mass = (mass of solute/mass of solution) ×100

Q: An alcohol has a 36% percent by volume in a 1000ml solution. Calculate the volume of solute.

A: Given data Volume % of alcohol (solute) = 36 % Total volume of solution = 1000 mL…

Q: 0.4 mole solute in 500mL solution. What is the molarity ?

A:

Q: solution contains 22.5 g of methanol, CH3OH, dissolved in sufficient water to give a total mass of…

A:

Q: 1.80 grams of ammonia (NH3) is dissolved in 525 grams of water, what is the molarity?

A: The Molarity ->                     The   Molarity of a given solution is defined as the total…

Q: Although somewhat toxic, barium chloride has been used as a cardiac stimulant. Calculate the number…

A: % by mass is given by  % by mass = mass of solute X 100 / mass of solution  Since here solute is…

Q: If an aqueous solution is 0.010% by mass, how many ppm is it?

A: Percentage by mass indicates that the amount of solute in grams  present in 100 gram of solution.…

Q: What is the percent by mass of an aqueous solution that is 2.7m ammonium sulfate?

A: Given: Molality of ammonium sulfate i.e. (NH4)2SO4 = 2.7 m.

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: percent by mass

A:

Q: How many (g) of LI2CO3 are present in 4.16 g of solution; solution contains 37.9% by mass LI2CO3

A: The mass of the solution is = 4.16 g The mass percentage concentration of the solution is = 37.9 %…

Q: What mass of potassium nitrate would have to be dissolved in 21.0 g of water in order to make a…

A: Given data,  Mass of water = 21.0 g  The mass percent [% (w/w)] of a potassium nitrate solution = 45…

Q: What is the molarity of a solution with 94.3 g of glucose molar mass 180.16 g per moles in 636 g of…

A:

Q: For a 0.750 M potassium permanganate solution containing 0.35 moles, what is the volume and mass of…

A: Given  n= 0.35 M = 0.750 M