A 1.2 N solution has been diluted to 0.5 N. If the final volume of solution was measured to be 250 ml, calculate a. its initial volume  b. how much water has been added

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: 1. Ten milliliters of ethanol (density=0.789 g/mL) is added to sufficient amount of water to produce…

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Q: A 67.0 mL portion of a 1.70 M solution is diluted to a total volume of 228 mL. A 114 mL portion of…

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Q: A 54.0 mL aliquot of a 1.70 M solution is diluted to a total volume of 248 mL. A 124 mL portion of…

A: The valid equation for dilution, M1V1=M2V2

Q: Use floating decimal in your solutions but express all final answers to four (4) decimal places and…

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Q: What volume in mL of 0.300 M NaF would be required to make a 0.0175 M solution of NaF when diluted…

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Q: Concentrated hydrochloric acid is 11.8 M. What volume of this solution should be used to prepare…

A: Given  Initial Molarity of HCl( M1 ) = 11.8 M  Final Molarity ( M2 ) = 0.477 M  Final Volume ( V2 )…

Q: a. For a solution of 0.206 mol of potassium dichromate in 0.500 L. What is the molarity and mass of…

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

Q: Concentrated HCl is 12.1 M.  Determine the volume in mL of the concentrated solution required to…

A: To know the volume of concentrated solution,  the concept of dilution comes into picture.…

Q: How much water ( in mL) must be added to a 4.01 M sulfuric acid solution to obtain 193.1 mL of 2.00…

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Q: Commercially available concentrated hydrochloric acid is 12.4 M HCl. Calculate the volume of…

A: Given that, the concentration of HCl is 12.4 M. We have to prepare 2.00 L of 1.50 M HCl solution.…

Q: A 65.0 mL portion of a 1.20 M solution is diluted to a total volume of 288 mL. A 144 mL portion of…

A: When the solution is diluted then the concentration of the solution decreases.  So the concentration…

Q: A 74.0 mL portion of a 1.20 M solution is diluted to a total volume of 238 mL. A 119 mL portion of…

A: Molarity is the moles of solute present per liter of solution. To calculate the concentration of…

Q: A 74.0 mL portion of a 1.70 M solution is diluted to a total volume of 268 mL. A 134 mL portion of…

A: We can determine the dilution factor by using the given below formula :…

Q: Consider a solution prepared by adding 2.70 grams acetic acid to 122.8 grams of water :  a. what is…

A: Mass percentage of a component is calculated by dividing the mass of the component with the total…

Q: A KNO3 solution is made using 92.4 g of KNO3 and diluting to a total solution volume of 1.80 L.…

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Q: A solution contains 118.5 g KI per liter solution. Calculate the concentration in a) % w/v b) % w/w…

A: Given: mass of KI = 118.5g Volume of solution = 1 L Density = 1.078 g/mL

Q: If 67.1 g of CaCl2 is added to 275 g of water, calculate the mass percent of CaCl2 in the solution

A: Given, mass of CaCl2 = 67.1 g Mass of water = 275 g  Mass % is calculated as a mass of a component…

Q: A 51.0 mL51.0 mL aliquot of a 1.40 M1.40 M solution is diluted to a total volume of 248 mL.248 mL. A…

A: Given: Initial volume = V1 = 51.0 mL Initial Molarity = M1 = 1.40 M Total volume = V2 = 248 mL

Q: 1. Using the dilution formula, compute for the volume of HCI stock solution that is needed to…

A: Answer-1 Volume of required solution Vrequired=500mL Concentration of required solution…

Q: A 53.0 mL53.0 mL portion of a 1.70 M1.70 M solution is diluted to a total volume of 248 mL.248 mL. A…

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Q: A 62.0 mL aliquot of a 1.40 M solution is diluted to a total volume of 228 mL. A 114 mL portion of…

A: Initial molarity, M1=1.40 M The initial volume, V1=62.0 mL Final molarity, M2=? The final volume,…

Q: A 75.0 mL aliquot of a 1.50 M solution is diluted to a total volume of 228 mL. A 114 mL portion of…

A: Record the given data, Initial volume = 75 mL Initial Molarity = M1 = 1.50 M Total volume = 228 mL…

Q: A 59.0 mL aliquot of a 1.30 M solution is diluted to a total volume of 248 mL. A 124 mL portion of…

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Q: A 1.00 M solution has an initial volume of 100. mL. Water is evaporated from this solution, and the…

A: Since initially we have moles of solute = molarity X volume of solution in L = 1 X 100 / 1000 = 0.1…

Q: A 32.5 mL sample of an 5.6 % (m/v) KBr solution is diluted with water so that the final volume is…

A: We have to predict the final concentration.

Q: A 10.00 mL sample of 2.00 M Na3PO4 solution is diluted to a total volume of 150.0 mL. A sample of…

A: Given: Concentration of Na3PO4 stock solution = 2.00 M. Volume of Na3PO4 stock solution used = 10.00…

Q: 3. A 25.00 mL sample of a 88 ppb aqueous stock solution of Nal is evaporated to a final volume of…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: Hydroiodic acid is currently listed as a Federal DEA List I Chemical since a combination of HI and…

A: The question is based on the concept of mass percentage.   amount of substance present in hundred…

Q: Consider a solution prepared by adding 25.0 g NaCl to 125.0 g of water. a. What is the percent by…

A: Percent by mass is given by, Mass percentage = Mass of the soluteMass of the solution×100

Q: 85% concentration of phosphoric acid has a density of 1.685 g/mL and a molecular weight of 98 g…

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Q: A hydrochloric acid (HCl) solution is prepared by dissolving 1.97g of hydrogen chloride gas in…

A: Molarity = Number of moles of solute / Volume of solution (L). Number of moles = Given mass / Molar…

Q: a 64.0mL portion of a 1.60M solution is diluted to a total volume of 238mL. A 119mL portion of that…

A: Consider the given information is as follows; 64.0mL portion of a 1.60M solution is diluted to a…

Q: A solution is prepared by mixing 703 mL of ethanol with 697 mL of water. The molarity of ethanol in…

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

Q: What volume in mL of 0.300 M NaF would be required to make a 0.0340 M solution of NaF when diluted…

A: Given that a concentrated solution is diluted , so here we will use dilution equation…

Q: 75.0 mL portion of a 1.30 M solution is diluted to a total volume of 278 mL. A 139 mL portion of…

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Q: . The circle shown here represents 1.0 L of a solution with a solute concentration of 1 M: Explain…

A: For the given data we have, (a) This figure indicates the increased number of molecules within the…

Q: Determine the volume (in mL) of water that needs to be added to 50.0 mL of a 0.600 M LİBR to produce…

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Q: A 79.0 mL portion of a 1.20 M solution is diluted to a total volume of 228 mL. A 114 mL portion of…

A: We have to calculate the final concentration.

Q: What volume in mL of 0.300 M NaF would be required to make a 0.0800 M solution of NaF when diluted…

A:

Q: A 52.0 mL portion of a 1.80 M solution is diluted to a total volume of 248 mL. A 124 mL portion of…

A: Dilution of the solution: On dilution of the solution with the pure water, the mole of solute…

Q: The volume of a 1.00 M HCl solution must be diluted to obtain 200 mL of a 0.250 M HC1 solution is…

A: The Volume of 1.00 M HCl solution after dilution can be calculated as follows: M1V1 = M2V2

Q: A 70.0 mL portion of a 1.40 M solution is diluted to a total volume of 238 mL. A 119 mL portion of…

A: Given: For dilution I: The initial volume is 70.0 mL The initial molarity is 1.40 M The total volume…

Q: B) A standard solution of glucose of volume 1 liters having Molarity 1M was prepared in the…

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Q: A solution is prepared by dissolving 18.1 g ammonium sulfate in enough water to make 120.0 mL of…

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Q: Concentrated hydrochloric acid is about 12.1 M. What volume of concentrated HCl is required to…

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Q: A 57.0 mL aliquot of a 1.30 M solution is diluted to a total volume of 208 mL. A 104 mL portion of…

A: Dilution Factor: “It is the ratio of total volume to volume of solute” or “It is the ratio of…

Q: 1. A 0.10 M HNO3 solution will be prepared from concentrated HNO3. a. Using the method outlined in…

A: Given, density =1.42 g/ml  70% by mass HNO3 is given  Molarity =?  Molar mass of HNO3 = 63g/mol

Q: Upon adding 275 mL of water to 275 mL of a 0.310 M aqueous solution of NaOH, the concentration of…

A: HALF Concentration = Mass/Volume As the mass of NaOH, or moles of NaOH in solution does not changes…