An aqueous solution of potassium sulfate, K2SO, is made by dissolving 27.6 grams of potassium sulfate in sufficient water in a 300. mL volumetric flask, and then adding enough water to fill the flask to the mark. What is the weight/volume percentage of potassium sulfate in the solution?Weight/volume percentage = %

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A: Number of moles of Barium hydroxide can be calculated as follows: No. of moles  = massmolar massNo.…

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A:

Q: Suppose 40.8g of copper(II) acetate is dissolved in  200.mL of a  0.70 M aqueous solution of sodium…

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Q: difference in volume:

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Q: A solution is made by mixing 46.2 g of alcohol into 100.0 mL of water (DH2O = 1.00 g/mL).  What is…

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Q: 2. What is the volume, in milliliters, of a 6.0 M H2SO4 (aq) solution that contains 3.60 moles of…

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Q: A solution is prepared by dissolving 3.2 grams of NaCl (MM=58.44 g/mol) in enough water to make…

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A: The solution is given below -

Q: O Chemical Reactions Dilution 3/5 [ A chemist must prepare 125. mL of 180. mM aqueous copper(II)…

A: Step 1: Convert the molarity of the needed solution to moles/L (M).Step 2: The required volume of…

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A: To solve this problem we will first calculate the number of moles of KMnO4   Then Molarity will be…

Q: Phosphoric acid (H3PO4) is important in the production of both fertilizers and detergents. It is…

A: Molarity of H3PO4 = 14.8 MVolume of H3PO4 = 1.81109 gallonMolar mass of Ca5(PO4)3F = 504.30 g/mol

Q: A solution is made by mixing 39.5 g of alcohol into 100.0 mL of water (DH2O = 1.00 g/mL).  What is…

A: Given: Mass of alcohol= 39.5 g The volume of water= 100.0 mL The density of water= 1.00 g/mL To…

Q: An aqueous solution of potassium sulfate, K2SO4 , is made by dissolving 15.1 grams of potassium…

A: Given: Mass of K2SO4 = 15.1 g. And volume of solution filled = 250 mL = 0.250 L…

Q: One of the active ingredients in stain removers is sodium percarbonate (Na2CO3), and a typical stain…

A: Percentage w/v of Na2CO3 = 6.5 % Volume of solution = 150.0 mL % w/v is given by: %w/v=mass of…

Q: Suppose 0.785 g of barium acetate is dissolved in 150. mL of a 36.0 m M aqueous solution of ammonium…

A: Given mass of barium acetate = 0.785 g volume = 150 ml = 0.150 L

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A: Given: Volume of solution of tween 80 used = 10.0 mL Concentration of tween 80 in the solution =…

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A: The mass of NH3 taken = 15 g  and mass of water taken = 250 g Hence solute is NH3 and solvent is…

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A: Consider the volume of the solution as 1 L (1000 mL).Determine the mass of l L of solution from the…

Q: An aqueous solution of acetone is made by transfering 27.6 mL of liquid acetone to a 300 . mL…

A: The volume/volume percentage of acetone in the solution is = 9.20 %

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Q: molarity

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Q: An aqueous solution of sodium nitrate, NaNO3, is made by dissolving 9.38 grams of sodium nitrate in…

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Q: Potassium cyanide is a toxic substance, and the median lethal dose depends on the mass of the person…

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Q: An aqueous solution of sodium hydroxide, NaOH , is made by dissolving 15.6 grams of sodium hydroxide…

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Q: Suppose 23.8 g of sodium iodide is dissolved in 350. mL of a 0.80 M aqueous solution of silver…

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Q: The molarity of a solution of (NH4),SO3 is 0.173 M. Consider a 32.0 mL volume of this (NHA),SO3…

A: Molarity is the number of moles of the solute dissolved in one litre of the solution.

Q: Calculate the final molarity of ammonium cation in the solution. You can assume the volume of the…

A: See answer below.

Q: Suppose 8.50g of potassium acetate is dissolved in 250.mL of a 0.30 M  aqueous solution of sodium…

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Q: You have a 1.75 M Mg(NO3)2 solution with a density of 1.03 g/mL. If the molar mass of Mg(NO3)2 is…

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Q: Can you explain the concept behind the problem? Can you explain where the numbers came from? And if…

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A:

Q: A pharmacist makes an antibiotic ointment by mixing 0.875 g of bacitracin with 24.125 g of a base…

A: Given data,Mass of bacitracin=0.875gMass of base compound=24.125g

Q: How many grams of NO 3 - ion are in the  final solution?

A: Given : Mass of Co(NO3)2 in stock solution = 6.00 g And volume of stock solution prepared = 100 mL =…