Part B Read the following problem and then answer the questions. An 85.0-mL aqueous solution contains 7.54 g iron(II) chloride (FeCl₂). Calculate the molarity of the solution. 13. Calculate the molality of a solution of 15.4 g sodium bromide (NaBr) dissolved in 125 g of water. Show all your work.

Q: A student dissolves 20. g of aniline (CH,NH,) in 500. mL of a solvent with a density of 0.83 g/mL.…

A: Given :- mass of aniline = 20.g  Volume of solvent = 500.mL  Density of solvent = 0.83 g/mL  To…

Q: difference in volume:

A:

Q: If young children have an illness that causes diarrhea and vomiting, they can quickly become…

A: Mass/ Volume % is  basically percentage of solute per 100 ml of solution.  ppm is basically mg / L…

Q: In this station, you will find 400.0 mL of a 0.500 M aqueous solution of calcium chloride. What mass…

A: Molarity of any solution is given by :Molarity =Number of moles of solute Volume of solution(in…

Q: A 11.39 M HCl solution has a density of 1.180 g/mL. What is the concentration of this solution in…

A:

Q: A student dissolves 7.9 g of styrene (CHg) i in 325. mL of a solvent with a density of 0.84 g/mL.…

A: We have been given volume of solvent = 325mL, density of solvent= 0.84g/mL and mass of styrene =…

Q: what is the molarity of a solution when 30 g of naoh is mixed with 200 g of water? density of…

A: Molarity is one of the concentration terms that is defined as the number of moles of solute…

Q: You want 85 g of KOH to be dissolved in 1.5 liter of solution. What is the normality of the…

A:

Q: To make a .250 m solution, one could take 0.250 moles of solute and add O 1.00 L of solvent. O 1.00…

A: Step-1givenmolarity of solution=0.250 mNumber of moles of solute =0.250 moles

Q: A solution is prepared by mixing 694.0 mL of ethanol with 506.0 mL of water. The molarity of ethanol…

A: Given that the solution is made by mixing 694.0 mL of ethanol and 506.0 mL of water.

Q: 2 You will need 25.0 mL of 0.5 M solutions of each reagent. To do this: Calculate the mass of sodium…

A: Molarity of Na2CO3=0.5M Volume of the solution =25.0 mL = 25.0mL1000mL×1L=0.025L

Q: Casey needs to prepare 100.0 mL of a 0.50 M NaOH solution from a 2.0 M NaOH solution. How should…

A: The given problem relates to stock dilution, so we can use the below relation to calculate the…

Q: A chemist needs 225 mL of 3.0 M HCl. What volume of 12 M HCl must be dissolved in water to form this…

A: Given: Volume of HCl (V1)=225 ml Molarity of HCl (M1)=3.0 M M2=12 M To find: V2 Solution: According…

Q: Calculate the molarity of 126.2  mL of diluted NaOH solution prepared from 16.6 mL of 6.9  M NaOH…

A: To solve this problem we will use the formula of dilution law .  According to this law  M1V1 = M2V2…

Q: 1. A) Balance the following equation by Algebraic method. K2 CO3 + HC → KCI + H2CO3 B) Balance the…

A: While balancing the reaction, number of atoms in reactant should be equal to number of that atoms in…

Q: In Part A of this experiment you will prepare 0.1 M solutions of sodium carbonate (Na2CO3), sodium…

A: Molarity: The number of moles of solute present per liter of the solution is known as molarity.…

Q: What is normality of a solution that contains 1.5 g of Ca(OH)2 dissolved in 850 mL? (Molar mass =…

A:

Q: 1. Helium gas, 3.00 x 104 g, is dissolved in 200.0 g of solution. Express this concentration in…

A: Parts per million is defined as the parts of solute present in 106 parts of solution.  arts per…

Q: What volume of a 1.63 mass % solution of Mg(NO 3)2 is needed to contain 0.316 grams of…

A:

Q: A student dissolves 2.5 g of phenol (C,H,OH) in 350. mL of a solvent with a density of 1.12 g/mL.…

A: Molarity is defined as the number of moles of solute dissolved in one liter of solution Whereas,…

Q: I just want to be sure if my answers (and units) are correct: 1. What is the molarity of a 750 mL…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: student adds 6.00 g of a solid to 30.0 mL of water. The solid has a molar mass of 72.0 g/mol. What…

A: MW of solid is given, 72 g/mol Moles=672=0.0833 mol Volume of solution = 30 mL = 0.03 L

Q: You dissolve 29.22 g of NaCl in 250 mL of water. You then dilute the solution to a new volume of…

A:

Q: You dissolve 9.9 mmol of sodium bicarbonate into a total volume of 4.31 mL. What is the molarity of…

A: Given : moles = 9.9mmol              Volume = 4.31mL  Molarity = moles ÷ volume

Q: Calculate the molarity of a solution containing 306.5 g of Mg(NO3)2 per liter of water. The solution…

A: The mass of magnesium nitrate, Mg(NO3)2 is given as .The molar mass of Mg(NO3)2 is .The volume of…

Q: The solubility of the hydroxide of a hypothetical metal, Me, in water is 94.89 g MeOH per 64.88 mL…

A: The amount of water is needed 42.82 mL.

Q: How much water must be added to dilute the concentration to 0.750 M KCl?

A:

Q: 1.) What is the molarity of a solution containing 15.6 g of KCl in 274 mL of KCl solution? 2.)…

A: Molarity ( M ) :-  The number of moles of solute present in one litre of solution is called molarity…

Q: A solution is made by dissolving 29.2 g of magnesium nitrite, Mg(NO2)2, in enough water to make…

A:

Q: A 125-ml sample of an 8.9 M NaCl solution is diluted to 3.0 L. What volume of the diluted solution…

A: Formula,  M1.V1 = M2. V2

Q: You have a 5.0 M stock solution of NaCl. How much of this solution do you need to dilute to create…

A: M1= 5.0 M stock solution of NaCl V2= 25 ml   M1= 0.75 M NaClFind out V1

Q: 25.8 mL of a 5.3 % v/v solution of calcium nitrate is used to prepare a solution with a total volume…

A: % v/v = volume of solutevolume of solution x 100 Given that,  5.3% of v/v solution will contain 5.3…

Q: In the laboratory you are asked to make a 0.128 m chromium(III) acetate solution using 475 grams of…

A: Given  Molality of solution ( m ) = 0.128 m                                          = 0.128 mol/kg…

Q: 10. A 4 M solution of NaOH means a. 4 moles of NaOH in 1 L b. 4 grams of NaOH in 1L c. 4 moles of…

A: Answer:- This question is answered by using the simple concept of calculation of molarity using…