In the laboratory you dissolve 18.4g of ammonium sulfide in a volumetric flask and add water to a total volume of 375. mL.What is the molarity of the solution?  M

Q: An aqueous solution of magnesium nitrate, Mg(NO)2, contains 2.92 grams of magnesium nitrate and 17.7…

A: Given :- mass of magnesium nitrate = 2.92 grams Mass of water = 17.7 grams  To calculate :-…

Q: What mass of potassium nitrate is found in 753.33 mL of a 0.95 M aqueous potassium nitrate solution?…

A: Given that,  The volume of the KNO3 solution is V = 753.33 mL, The concentration of the KNO3…

Q: Vinegar is sold as a standardized solution of 5.00% by mass acetic acid in water. Assuming the…

A: Given that vinegar is  5.00%  by mass acetic acid in water. i.e. 5 g of acetic acid (CH3COOH) is…

Q: what volume (in L) of a 2.84 M sodium chloride solution contains 6.84 moles of sodium and chloride…

A: Given molarity of NaCl = 2.84 M moles of ions = 6.84 moles

Q: A 9.47 g sample of an aqueous solution of hydroiodic acid contains an unknown amount of the acid. If…

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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: The density of an aqueous solution containing 40.0% sulfuric acid (H2SO4) by mole is 1.681 g/mL. c)…

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Q: A 10.5%(w/w) NiCl2 solution has a density of 1.149 g/mL. What is the mass in grams of Ni2+ contained…

A: Given : 10.5%(w/w) means 10.5 grams of NiCl2 (solute) present in 100 grams of solution. Mass of 1 L…

Q: What is the molarity of a solution where 0.082 grams of sodium chloride was dissolved in water to…

A: Since you have posted multiple questions, we will solve the first one for you. Kindly post the…

Q: 701 grams of calcium chloride (CaCl2) is dissolved in 1225 mL. What is the molarity of the resulting…

A: Mass of CaCl2 = 701 g Volume = 1225 mL = 1.225 L Molarity of solution = ?

Q: The mass percentage of hydrochloric acid within a solution is 40.00%. Given that the density of this…

A: Given: Mass percent = 40% Density = 1.200 g/mL Molarity = ?

Q: A solution is prepared by dissolving 45.6 g of Mg(NO3)2 in 515 g of water. The density of the…

A: Definition: Molarity is a concentration term for a solution. The molarity of a given solution is…

Q: In the laboratory, you dissolve 22.3 g of chromium(II) iodide in a volumetric flask and add water to…

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Q: You have a solution which is 45.7% by mass isopropyl alcohol (MM 60.11 g/mol) in water. The density…

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Q: A stock solution of hydrochloric acid is prepared by dissolving 15.7 g hydrochloric acid in enough…

A: Given  mass of HCl = 15.7 gram  Volume of solution = 749 mL  1000 mL  = 1 Liter  749 mL    =…

Q: You have 150.0 mL of a 0.821 M solution of Ce(NO3)² What mass (in grams) of Ce(NO₂), would be…

A: Mass of Ce(NO3)4 can be calculated by knowing the concentration and volume of solution.

Q: The density of a NH3 solution is 0.89 g/mL and it is 32,00% by mass NH3. What is the molarity of the…

A: Since % by mass = % m/m  And % m/m = mass of solute X 100 / mass of solution  Assuming we have 100 g…

Q: In the laboratory you dissolve 22.9g of magnesium iodidein a volumetric flask and add water to a…

A: Since the molar mass of magnesium iodide i.e MgI2  = Atomic mass of Mg + 2 X Atomic mass of I  Hence…

Q: A 14.8 M solution of concentrated nitric acid has 15.7 mL withdrawn from it. The 15.7 mL sample is…

A: When a concentrated solution of concentration C1 and volume V1 is diluted by adding water to a final…

Q: How many grams of KIO3 is required to prepare 250 mL, 0.01 M KIO3(aq) solution?

A: Molarity (M) of a solution is defined as the number of moles of solute dissolved per volume of the…

Q: You have 150.0 mL of a 0.507 M solution of Ce(NO3),4. What mass (in grams) of Ce(NO3), would be…

A: The given data contains, Volume of Ce(NO3)4=150 ml.Molarity=0.507 M.

Q: 1) KOH and NaOH are dissolved in water to form a 2.48 molar solution. If 42.9 g of NaOH are used and…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: KOH and NaOH are dissolved in water to form a 2.48 molar solution. If 42.9 g of NaOH are used and…

A: Given: Volume of solution = 1673 mL Molarity of solution = 2.48 M Mass of NaOH = 42.9 g

Q: . An aqueous solution of sodium carbonate, Na2CO3, is titrated with strong acid to a point at which…

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Q: A 12.5 mL portion of a base solution of an element from Group 2A is diluted to 500 mL, and the…

A: Initial volume of base solution (of elements group 2A ) = 12.5 ml  New Volume of base solution = 500…

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: Calculate the concentration, in grams of solute per 100 g of water, of a solution in which 7.462g of…

A: Given,7.462 g of solute dissolved in 25.50 mL of water.Determine the concentration in grams per…

Q: A sample of concentrated nitric acid has a density of 1.41 g/mL and contains 70.0% HNO3 by mass.…

A: Given :-  mass percent of HNO3 = 70.0%  density of solution = 1.41 g/mL  To calculate :-  molarity…

Q: In the laboratory you dessolve 22.3g of iron (III) fluoride in a volumetric flask and add water to a…

A: The number of moles of solute to the volume of solution in liters is known as molarity.

Q: A dilute solution of sodium hydroxide was prepared by adding 42.1 mL of 1.02 M sodium hydroxide,…

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Q: Calculate the normality of 0.321 g sodium carbonate when it is mixed in a 250 mL solution

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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: In the laboratory you dissolve 16.6 g of magnesium chloride in a volumetric flask and add water to a…

A:

Q: diluted

A: mmoles of HCl = ( Molarity ) • ( volume )  mmoles of HCl = 3.00molL-1 • 25.00mL  mmoles of HCl =…

Q: What volume of 1.24 M KMnO4, in liters, contains 422 g of solute? Volume %3D

A: In order to find the volume of the solvent required we first write down the given data: Molarity=…

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: 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: What mass of KBr (in grams) should you use to make 250.0 mL of a 1.20 M solution of KBr? Express the…

A: We have to predict the mass of salt needed.

Q: In the laboratory you dissolve 22.3 g of ammonium nitrate in a volumetric flask and add water to a…

A: Molarity is given by the ratio of number of moles to that of the volume of the solution.

Q: 10. When 132.8 mL of a barium chloride solution reacted with excess potassium chromate solution in a…

A: Given volume of BaCl2 solution = 132.8 ml mass of barium chromate = 1.05 g

Q: In the laboratory you dissolve 14.1 g of chromium(III) nitrate in a volumetric flask and add water…

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Q: In the laboratory you dissolve 16.0 g of silver fluoride in a volumetric flask and add water to…

A: First, the given grams of silver fluoride is converted into moles.

Q: A Chemistry Student Trainee at a certain University Chemical Laboratory was instructed by the…

A: Given: Normality=0.25 NVolume=40.0 mL To find: Mass of Potassium acid phthalate

Q: What volume of 1.63 M KMNO4 , in liters, contains 378 g of solute? Volume =

A: In this question, Concentration and mass of KMnO4 Solution is given and we want to determine the…

Q: The mass of solute per 100 mL of solution is abbreviated as (m/v). Mass is not technically the same…

A: % (w/v) = (100 x Mass of solute in g)/Volume of solution in mL

Q: What is the molarity of sodium chloride in solution that is 13.0 % by mass sodium chloride and that…

A: Given, density of NaCl = 1.01 g/mL Mass % = 13.0 % Molar mass of NaCl = 58.44 g/mol Molarity of NaCl…

Q: A 7.26 g sample of an aqueous solution of hydroiodic acid contains an unknown amount of the acid. If…

A: Mass of hydroiodic acid (HI) can be determined by calculating the number of moles of sodium…

Q: A 0.2121-g sample of pure NaC,O, (134.00 g/mol) was titrated with 43.31 mL of KMNO4. What is the…

A: Normality can be obtained by multiplying the molarity of the KMnO4 solution with the number of…

Q: According to the label on a bottle of concentrated hydrochloric acid, the contents are 36.0% HCl by…

A: By considering the total mass of the solution be 100 g. The amount (m) of HCl present is 36.0 g. The…

Q: A sample of 18.5 grams of sodium phosphate is weighed out on a balance and prepared to a volume of…

A: