An aqueous solution of sodium nitrate, NaNO3 , is made by dissolving 26.7 grams of sodium nitrate 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 sodium nitrate in the solution? Weight/volume percentage = %

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: 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: An aqueous solution of potassium sulfate, K2SO, is made by dissolving 27.6 grams of potassium…

A: W/V% =( weight of solute/ volume of solution)*100

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: It is desired to prepare exactly 100. mL of sodium chloride solution. If 2.71 g NaCl is weighed out,…

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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…

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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: You dissolve 8.83 mmol of sodium bicarbonate into a total volume of 7.22 mL. What is the molarity of…

A: Molarity is no. Of moles per litre of solution.

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: A chemistry student must write down in her lab notebook the concentration of a solution of sodium…

A: Given: Mass of cylinder = 4.0 g.Mass of cylinder with thiosulfate = 46.56 g.And the volume of the…

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

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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: 0.3120 g sample of potassium hydrogen phthalate is dissolved in 100.0 mL of water. If 25.60 mL of…

A: Weight of potassium hydrogen phthalate = 0.3120 g Volume of water = 100.0 ml = 0.100 L  (1 L =…

Q: A chemistry student must write down in her lab notebook the concentration of a solution of sodium…

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Q: A sample of concentrated hydrochloric acid (HCl) is 37.0 % HCl by mass. Calculate the molarity of…

A: Given:37.0% HCl by mass density is 1.18 g/ml formula : Molarity (M)= (% by mass x 10 x Density…

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: 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 chemistry student must write down in her lab notebook the concentration of a solution of sodium…

A: Empty weight of graduated cylinder = 6 g  Weight of cylinder with sodium thiosulfate = 94.86 g…

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: Commercial vinegar is essentially a solution of acetic acid in water. A bottle of vinegar has 3.78 g…

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Q: A 11.7 g sample of an aqueous solution of perchloric acid contains an unknown amount of the acid. If…

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