In the laboratory you dissolve 23.7 g of calcium chloride in a volumetric flask and add water to a total volume of 500. mL. What is the molarity of the solution? M

Q: A saturated solution of nickel(II) hydroxide, Ni(OH)2, has a pH of 9.5. What is the hydronium ion…

A: pH of the solution = 9.5  Concentration of hydronium ion = [H3O] = ? Is the solution acidic or basic…

Q: A potassium iodide solution is made by mixing 6.299 grams of potassium iodide and mixing it into 307…

A: We know that, Molarity = Number of moles/Volume (L) Number of moles = Given mass / Molar mass Molar…

Q: A 78.00 mL sample of 0.76 M nitric acid is introduced into a flask, and water is added until the…

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Q: A reagent bottle is labelled 3.00 M sulfuric acid. You titrate a 25 mL sample with 1.58 N sodium…

A: neutralisation reaction are reaction where the acid and base react to form a salt and water here we…

Q: In the laboratory you dissolve 12.0 g of aluminum nitrate in a volumetric flask and add water to a…

A: Molar mass of Al(NO3)3 = 213 g/ mol Given mass of Al(NO3)3 = 12.0 g  Moles of Al(NO3)3 = Mass /…

Q: Analysis of the water content of a lake found in the desert showed that it contained 12.8 percent…

A: 12.8 % chloride ion means 12.8 g chloride is present in 100 g of water and chloride mixture. Mass of…

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 student takes 20 mL of 3M HNO3 solution and dilutes it to 250 mL i a volumetric flask. What is…

A: Molarity = number of moles / Litre

Q: 3.0 mL of an 11.65 M HCl solution is diluted until its molarity is 0.250 M. What is the volume of…

A: Given data contains, Initial volume is 3.0 mL. Initial molarity is 11.65 M. Final molarity is 0.250…

Q: In the laboratory, a student dilutes 22.9 mL of a 11.9 M nitric acid solution to a total volume of…

A: Moles of solute remain constant during dilution. Moles of solute = molarity x volume of solution…

Q: A 2.06 M NaNO3 solution has a volume of 9.16 L. It is diluted to a volume of 29.484 L. What is the…

A: Volume can be determined using the dilution expression,

Q: You are making 2,000 mL of a 1.6 M KBr solution.  How many moles of KBr will be added?  How many…

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Q: A chemist has a solution made from 1.923 kg of ammonium phosphate dissolved in 2.1 L of water. They…

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Q: Typical blood serum is about 0.140 M sodium chloride. How many mL of blood contains 1.349 mg of…

A: 1- First calculate the mmoles of NaCl :  mmoles of NaCl = ( Mass / Molar mass)  mmoles of NaCl = (…

Q: A solution contains 58.9 grams of nickel (I) nitrate in 350 mL of water. What is the new…

A: Molarity of the solution containing 58.9g of nickel (II) nitrate in 350L of water is

Q: A solution was made by dissolving 10.00 g of potassium sulfate in 250.0 mL of water. What is the…

A: Note: assuming volume of solution is equal to volume of waterGiven:Mass of K2SO4 = 10.0 gVolume of…

Q: A potassium iodide solution is made by mixing 7.368 grams of potassium iodide and mixing it into…

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Q: An aqueous solution is made by dissolving 21.9 grams of nickel (II) nitrate in 481 grams of water.…

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Q: what is the molarity of the solution?

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Q: How many milliliters of 6.06 M hydroiodic acid solution should be used to prepare 1.50 L of 0.300 M…

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Q: 35.01 ml of a chloric acid solution is required to neutralize 1.000 g magnesium hydroxide. What is…

A: Given  mass of magnesium hydroxide = 1.000 g                     volume of solution = 35.01 mL…

Q: Mellissa dissolves 19. grams of NaCl with water to make a 226. mL solution. What is the molarity of…

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Q: Maggie filtered out a sample of copper (II) chloride, CuCl2 from a local pond, and found its mass to…

A: Molarity (M) :-  The number of moles of solute present in dissolved state in one litre of solution…

Q: In the laboratory you dilute 3.30 mL of a concentrated 3.00 M perchloric acid solution to a total…

A: Given :-  Initial concentration of solution = 3.00 M  Initial volume = 3.30 mL  Final volume = 175…

Q: You have a stock solution of 5.0 M NaCl. If you want to make 300.0 mL of 0.150 M NaCl, how many…

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Q: molarity

A:

Q: How many milliliters of an aqueous solution of 0.218 M sodium iodide is needed to obtain 16.8 grams…

A: As we have two question but here only i am performing first question:  milliliters of an aqueous…

Q: A chemist needs 13.81 mL of 1.458 M NaCl. What volume in mL of 3.767 M NaCl must be diluted in water…

A: Moles before dilution and after dilution ae same as per mole concept.

Q: In the laboratory you dissolve 21.6 g of copper(II) bromide in a volumetric flask and add water to a…

A:

Q: at a certain temperature,1.85 grams of barium hydroxide will dissolve to form 100.0 ml of a…

A: The given mass of barium hydroxide = 1.85 g The volume the solution = 100.0 mL = 0.100 L  The…

Q: A 77.00 mL sample of 0.59 M nitric acid is introduced into a flask, and water is added until the…

A:

Q: A student obtains 500. mL of a 1.0 M solution of NaCl(aq). Which of the following changes would…

A: A more concentrated solution can be prepared by dissolving more solute to the dilute solution.

Q: If you take 40 grams of sodium nitrate and dilute it with water until the solution has a total…

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Q: You have 500 mL of a 0.10 M NaCl solution. You dilute the solution to a new volume of 1 L. What is…

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Q: A 65.00 mL sample of 0.5 M nitric acid is introduced into a flask, and water is added until the…

A:

Q: In the laboratory, a student dilutes 22.3 of 6.05 M perchloric acid solution to a total volume of…

A: By using the concept of law of equivalent ie;     M1V1=M2V2

Q: 250. mL of water is added to 150. mL of a 2.32 M aqueous solution of glucose. The solution is then…

A: Given information: Volume of water = 250 mL Volume of glucose = 150 mL Concentration of glucose =…

Q: In the laboratory you dissolve 12.4 g of lead nitrate in a volumetric flask and add water to a total…

A: Molarity of a solution defined as the moles of solute in unit litre of solution. Molarity = Moles of…

Q: 1. A 4.24 g sample of a laboratory solution contains 1.42 g of acid. What is the concentration of…

A: (1) Given that - Mass of sample Solution = 4.24 g  Mass of the acid = 1.42 g    Then, mass…

Q: you have a 0.510 M solution of magnesium chloride. you put out 463.2 mL of this solution. How many…

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Q: In the laboratory, a student dilutes 21.5 mL of a 6.29 M hydroiodic acid solution to a total volume…

A: When we dilute a concentrated solution with pure water, the mole of solute remains constant in the…

Q: A stock solution of lithium sulfate has a concentration of 5.5 M. If 88.3 mL of stock solution is…

A: Given :-  Initial concentration (M1) = 5.5 M  initial volume (V1) = 88.3 mL  Final volume (V2) =…

Q: A potassium iodide solution is made by mixing 3.241 grams of potassium iodide and mixing it into…

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Q: e molarity of t

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Q: A concentrated solution of HCl  has a molarity of 10.3 M.  You add 41.00  mL to a flask and then…

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Q: How many grams of NaCl are in a 685 mL of a 4.5 M NaCl(aq) solution?

A: