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 = %

Q: acetic acid (HC2H3O2) is a liquid and is known as glacial acetic acid. Calculate the molarity of a…

A: Given-> Volume of glacial acetic acid = 25.00 ml Density of glacial acetic acid = 1.05 g/ml Final…

Q: solution is prepared by dissolving 23.7 g of CaCl2 in 375 g of water. The density of the resulting…

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Q: A chemist places 2.6428 g of NaCl in a 100 mL volumetric flask and adds water to the mark and calls…

A: The solution is given below -

Q: A chemist places 2.9764 g of NaCl in a 100 mL volumetric flask and adds water to the mark and calls…

A: Given, Stock Solution 1 : mass of NaCl = 2.9764 g volume of flask = 100 mL Solution 2 : Volume…

Q: A stock solution of potassium permanganate (KMNO4) was prepared by dissolving 10.0 g KMNO4 with DI…

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

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: Distilled white vinegar is a solution of acetic acid, CH3CO2H, in water. A 0.500-L vinegar solution…

A: The molarity of a solution is defined as the number of moles of solute dissolved in 1 liter of the…

Q: e molar concentration

A: solution:

Q: what masses of solute and solvent are present?

A: Number of moles = Molarity × Volume(L)  Molar mass of LiCl = 42.394 g/mol  Solution = solute +…

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 %

Q: One brand of laundry bleach is an aqueous solution containing 4.00% sodium hypochlorite (NaOCI) by…

A: Molarity is defined as a number of moles of solute dissolved in one liter of solution.…

Q: An aqueous solution of propyl alcohol is made by transfering 4.49 mL of liquid propyl alcohol to a…

A: Given: The volume of propyl alcohol taken = 4.49 mL The volume of the solution in the volumetric…

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…

A:

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

A: The question is based on the concept of solutions. molarity is a method of expressing concentration…

Q: An aqueous solution of manganese (II) iodide,MnI2,is made by dissolving 21.1 grams of manganese(II)…

A: Weight/Volume percentage = it tells about amount of solute present per 100 mL of solutionWeight of…

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…

A: No. Of Moles of any solute can be calculated using: No. Of Moles = Given Mass/ Molar Mass First of…

Q: If 0.084 mol of NaCl was added to 99.29 mL of H2O, what would be the concentration of the resulting…

A: The question is based on the concept of solutions. we have to calculate concentration of the given…

Q: Calculate solution concentration in molarity units. A student weighs out 6.49 g of FeSO4, transfers…

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Q: An ethanol-water solution has been prepared by dissolving 10 mL of ethanol (d=0.789 g/mol) in a…

A: Given:- Volume of ethanol = 10 mL Density of ethanol = 0.789gml Volume of solution = 100 mL Density…

Q: A solution is made by adding 29.1 mL of concentrated potassium hydroxide (34.5 wt%, density 1.46…

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Q: An aqueous solution of propyl alcohol is made by transfering 29.9 mL of liquid propyl alcohol to a…

A: Given,  Volume of the liquid propyl alcohol = 29.9 mL  Volume of the flask = 300mL  What is the…

Q: A chemist places 2.2352 g of NaCl in a 100 mL volumetric flask and adds water to the mark and calls…

A: Weight of NaCl is 2.2352 gm Molar mass of NaCl is 58.5 gm/mole

Q: If 0.069 mol of salicylic acid was added to 62.92 mL of pentanol, what would be the concentration of…

A: given Moles of salicylic acid = 0.069  mol volume of pentanol = 62.92 ml MW of salicylic acid=…

Q: An aqueous 2.00 M hydrochloric acid solution is prepared with a total volume of 0.350 L. The…

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Q: The concentrated sulfuric acid we use in the laboratory is 98.0% sulfuric acid by mass. Calculate…

A: given, d = 1.33 g/mL M(H2SO4) = 98.08 g/mol then we have to calculate molarity of total solution,…

Q: What is the molar concentration of NaCl in a 14.5 cm³ sample of pure NaCl? molar concentration = i M…

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Q: An aqueous solution is 10.0% by mass hydrochloric acid, HCl, and has a density of 1.05 g/mL.The…

A: 10% by mass HCl means, 10 g HCl in 100 g solution. Mass of solute (HCl) = 10 g Number of moles of…

Q: A solution is prepared by dissolving 43.7 g of potassium chloride (KCl) in a small amount of water…

A: Mass of KCl = 43.7 g  Volume of solution = 250 mL = 0.25 L

Q: A stock potassium dichromate solution (K,Cr,O,; molar mass is 294.2 g/mol) is prepared for dilution…

A: Given: Mass of K2Cr2O7=25.0 g  Molar mass =294.2 g/mol Moles =25.0 g /(294.2 g/mol)= (25.0/294.2)…

Q: Swimming pool water is often made safe for swimming by treating with chlorine in the form of sodium…

A: Answer:

Q: An aqueous solution of methyl alcohol is made by transfering 7.90 mL of liquid methyl alcohol to a…

A: In this question a methyl alcohol solution is prepared in 100 mL volumetric flask. We have to…

Q: Convert 98.67 gal/m² to mL/pm2. (1 gallon = 3.7854 L) %3D O 3.735 x 10 19 mL/pm2 O 2.607 x 10 20…

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Q: An aqueous solution of acetone is made by transfering 38.1 mL of liquid acetone to a 500. mL…

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Q: A diluted solution of sulfuric acis , H2SO4, has a density of 1.523 g/mL. The solution contains 50.0…

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Q: A preparation of soda ash is known to contain 98.6% Na2CO3 (105.99 g/mol).  If a 0.678-g sample…

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Q: a) Luminol has a molecular weight of 177 g/mol. The forensic technician at a crime scene has just…

A: Introduction: Molarity: The number of moles of solute dissolved in one liter of solution is called…

Q: A chemist prepares a solution of aluminum sulfite (Al, (SO,)) by measuring out 179. µmol of aluminum…

A: