A solution is made using 300.0 mL of acetone (density 0.7845 g/mL) and 877.3 mL of water (density 1.000 g/mL). What is the mass percent of the acetone?

Q: What is the mass % of acetonitrile in a 2.03 M solution of acetonitrile (MM = 41.05 g/mol) in water?…

A: Given : concentration of acetonitrile = 2.03 M And density of solution = 0.810 g/mL Assuming 1 L i.e…

Q: What is the molarity of a solution with 71.3 g of glucose (molar mass: 180.16 g/mol) dissolved in…

A: Given data, Mass = 71.3 g Molar mass of glucose = 180.16 g/mol Volume = 450 mL = 0.45 L To calculate…

Q: What volume of a 0.540 M NaOH solution contains 12.5 g of NaOH?

A: Molarity is defined as the number of moles of solute dissolved per liter of the solution. Molarity,…

Q: A Pb contaminated water sample contains 0.0013 % Pb by mass. How much of the water (in mL) contains…

A: The mass percent refer the mass of solution in 100gm of solution  Use this is a conversion factor to…

Q: 71.  What mass of solid NaOH (97.0% NaOH by mass) is required to prepare 1.00 L of a 10.0% solution…

A: Given,Volume of solution = 1.00L. Density of 10.0% solution = 1.109g/mL.

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: A student needs to prepare 50.0 mL50.0 mL of a 0.80 M0.80 M aqueous H2O2H2O2 solution. Calculate the…

A:

Q: An aqueous solution is 3.50% by mass potassium bromide, KBr, and has a density of 1.02 g/mL.The…

A: The molarity of potassium bromide in the solution is calculated in step two.

Q: How many grams of KNO3 is present in 125 g of solution that is 0.420 M KNO3? The density of the…

A:

Q: What is the molarity of an aqueous solution prepared by adding 36.5g of barium chloride (208.23…

A: Number of moles of barium chloride in solution = given mass / molar mass = 36.5 g / 208.23 g/mol =…

Q: A KNO3 solution is made using 98.4 g of KNO3 and diluting to a total solution volume of 1.60 L.…

A:

Q: 10. A solution is made by dissolving 17.8 g of magnesium sulfite, MgSO3, in enough water to make…

A: Mass of MgSO3 = 17.8 g  Volume of solution = 100 ml  Concentration (Molarity) of the solution (in…

Q: 4. What is the normality of a 3.565 mg/mL solution of potassium permanganate (FW 158.034 g/mol)?…

A:

Q: What mass of HCl is contained in 45.0 mL of an aqueous HCl solution that has a density of 1.19 g cm…

A: Given: Volume of solution = 45.0 mL = 45 cm3 density of HCl solution = 1.19 g.cm-3  HCl percent by…

Q: What is the new molarity of the diluted sample?

A: Given :-  Initial molarity = 1.2 M  Initial volume = 122 mL  Final volume = 500 mL  To calculate :-…

Q: What is the mass percent of a solution prepared by dissolving 2.1 g of sodium bromide in water to a…

A: Given information, 2.1 g of sodium bromide in water to a total volume of 25.0 mL The density of…

Q: Common table sugar, sucrose, has a molar mass of 342.3 g/mole. To what volume (in mL) should 10.0 g…

A: Molarity = number of moles ÷ volume of solution (in L)  Number of moles = mass ÷ molar mass    1 L =…

Q: What is the normality of a solution made by diluting 6.5 g of H2SO4 to a volume of 200 mL? What is…

A:

Q: Calculate the mole fraction of the ionic species KCl in the solution.

A: Number of atoms, ions and molecules present on a given amount can be determined by “Mole Concept”.…

Q: What is the mass % of acetonitrile in a 2.17 M solution of acetonitrile (MM = 41.05 g/mol) in water?…

A: The mass percentage of  acetonitrile can be calculated by using Following formula - Molarity=mass %…

Q: A solution is determined to be 0.560% acetic acid by mass. What is its molarity? (Assume the density…

A: The variety of concentrations depicting terms such as percent by mass, molarity etc are interrelated…

Q: A solution containing 41.684 g of LiF (M.M. 25.939 g/mol) per liter has a density of 1.391 g/mL.…

A: Given : Mass of LiF =41.684 Molar mass of LiF =25.939 g/mol Volume of solution =1 L=1000 mL Density…