QUESTION 14 How would you prepare 465 g of an aqueous solution that is 4.00% sodium sulfate, Na2SO4, by mass? Not enough information to determine this. Dissove 1860 g of sodium sulfate in 465 g of water Dissolve 19 g of sodium sulfate in 465 g of water O Dissolve 18.6 g of sodium sulfate in 446 g water.

Q: .5 moles x 111g/mole = 55.5 g 2.0 x .250 = .5 moles %3D # 5-8 : Calculate the number of moles and…

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Q: 6. An aqueous solution of a nonelectrolyte boils at 100.82°C. What is the molality of this solution?

A: The liquid boils at 100.82° C.Therefore elevation of boiling point is 100.82° C - 100° C = 0.82° C…

Q: Calculate the molarity of NH4Cl

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Q: How many grams of BaCl2 2H2O must be dissolved in 1.50 L of water to yield a 0.250 M BaCl2 solution?…

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Q: What mass of NaOH is required to prepare 250.0 g of solution that is 8.00% w/w NaOH?

A: Given data is as follows: The mass of the solution = 250.0 g The mass percent (w/w) of the solution…

Q: What volume in mL of 0.300 M NaF would be required to make a 0.0705 M solution of NaF when diluted…

A: When additional solvent is added to more concentrated solution (stock solution), the concentration…

Q: 2. Find the curve for KNO3, What is the maximum amount of KNO3 can be dissolved in 100 grams of…

A: The question is based on the concept of solubility.  solubility follows a basic principle "like…

Q: ensity of 3M solution of NaCl is 1. 25 g/ mL. Calculate the volume of water required to make 1000 mL…

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Q: hat is the mass percent of sodium chloride in a solution prepared by adding 1.00 g of sodium…

A: Mass percent = mass of component X 100 / total mass of sample

Q: A 250. ml aqueous solution prepared by dissolving 55.0 g of a non-electrolyte solute had a freezing…

A: Volume=250mL Weight of solute=55.0g Freezing point=-2.34°C  Kf=1.86°C/m

Q: You have a stock solution of 20% (w/w) Triton X-100, a viscous detergent often used to permeabilise…

A: 20%(w/w) means that 20 g of solute in the 100 g solution. Volume of the solution is, Volume = mass ÷…

Q: 7. A solution is prepared by dissolving 114 grams of NaCl in 475 grams of water. Find the freezing…

A: Colligative properties are the properties that depend on the number of atoms or molecules or ions or…

Q: How would you classify a solution when 120 g of NaNO3 is put in 100 g of water, heated and then…

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Q: Which beaker(s) below shows a STRONG electrolyte? A H* НА H* A НА H* НА A- HĄ H* H* НА НА H* НА A-…

A: Strong electrolyte is an electrolyte that dissociates completely in the aqueous solution, producing…

Q: Assume that all solutions were prepared at 25℃, and the solutes were completely dissolved. What is…

A: Solution is made up of two components solute and solvent. The component which is present in major…

Q: What is the molarity of 25 g of iodine, l2, in 350.mL of solution? *5.7 x 10^-1 M *2.8 x 10^-1 M…

A: There are two questions are given but I'm solving only first one according to the guidelines of…

Q: What is the concentration in molarity of an aqueous solution which contains 32.41% by mass…

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Q: Some graduate students have a solution of 1 M NaCl in the lab. What volume of the Nacl solution and…

A: N1= 1M N2= 0.035 M  V2= 1L V1=??

Q: The concentration of bromide ions in seawater is approximately 6.70 X 10-3 %(m/v). The lab has a…

A: The concentration of bromide ions in seawater = 6.70 × 10-3 %(m/v). This means that 6.73 × 10-3 g of…

Q: Say you have 1.50 M MgSO4 solution and you need 200. mL of 0.600 M MgSO4 How can you prepare this…

A: Dilution is the process of decreasing the concentration of a solution. During this process the…

Q: Concentrated HCl is approximately 12 M.  What is the final concentration of HCl after mixing 50.0 mL…

A: Given :- molarity of concentrated solution = 12 M  Initial volume of concentrated solution = 50.0 mL…

Q: a) If 1.17 g of sodium chloride (NaCl) is dissolved in water and made up to 100 cm³ of aqueous…

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Q: %3D What mass of NAOCOCH3 is needed to make 20.0 mL of a 1.00 M solution? Molarity (M) = moles /…

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Q: A 3.682 g sample solution. What is the pK* of the solution? O 1.20 O 0.85 O 2.50 1.35 « Previous…

A: Mass of K2CO3 = 3.682 g Volume of solution = 375 ml

Q: Calculate grams of HNO3 in  25.5 mL. of 0.200 M HNO3 solution.  HNO3 = 63.00 g/mole

A: we have to calculate grams of  grams of HNO3

Q: 1. How many grams of water must be added to 10.0 g of Ca(NO3)2 in order to prepare a 12.0%(m/m)…

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Q: In the previous question you calculated how many moles of solid NaNO3 are needed to prepare 100.mL…

A: Molarity (M)=1.7 M = mol/L Volume (V)=100 ml= 0.1 L As we know,  Molarity= number of Moles/volume…

Q: For each of the following solutions, calculate the molarity of the solution. 9.62 g MgNH4PO4 in…

A: Use the formula to find the molarity   Molarity = moles of solute / Volume (in L)

Q: 37) A solution prepared from 56.4 g NaCl and 175.0 g of water has a mass/mass percent concentration…

A: Since mass / mass % concentration is defined as  % m/m = mass of solute X 100 / mass of solution…

Q: 10. The trigylceride (C57H110O6) content of a blood sample is 125 mg in 10.0 mL. What is the…

A: The concentration of the solute in the solution can be evaluated by different means such as the mole…

Q: a 2.65% by mas solution Zncl2 dissolved in water contains 16.0 g of zncl2 calculate the mass of the…

A: Mass percent of ZnCl2 in the solution = 2.65%Mass of ZnCl2 in the solution = 16.0 g

Q: Determine the volume of solution that can be prepared below: What volume (in L) of a 1.25 M NaBr…

A: Molarity (M): Molarity is number of moles of the solute present in the one liter of the solution.

Q: How many mL of 0.190 M HCl solution are needed to provide 1.50 mole of HCl?   7.89 mL 127 mL…

A: We are given HCl solution whose molarity=0.190M Moles Of HCl=1.50 mol