A chemist started with a 0.64 mol L-1 aqueous glucose solution and added water followed by...
A chemist started with a 0.64 mol L-1 aqueous glucose solution and added water followed by stirring to obtain a final total volume of 142.53 mL. The resultant glucose concentration was 0.42 mol L-1. What was the volume of the initial glucose solution (in mL)?
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A chemist started with a 0.64 mol L-1 aqueous glucose solution
and added water followed by...
A chemist started with 49.38 mL of an aqueous glucose solution and added 63.11 mL of...
A chemist started with 49.38 mL of an aqueous glucose solution and added 63.11 mL of water followed by stirring. The resultant glucose concentration was 0.16 mol L-1. What was the concentration of glucose in the first solution (in mol L-1)?
If 200. mL of water is added to 300. mL of an aqueous solution that is...
If 200. mL of water is added to 300. mL of an aqueous solution that is 0.64 M in potassium sulfate, what is the concentration of potassium ions in the final solution?
A chemist prepared an aqueous buffer containing both formic acid (HCOOH) and the formate anion. The...
A chemist prepared an aqueous buffer containing both formic acid (HCOOH) and the formate anion. The volume of the buffer is 100 mL ; with [HCOOH] = 0.110 mol L-1 and [HCOO- ] = 0.101 mol L-1 . The pKa of HCOOH = 3.74. What is the pH of this buffer? Write down the balanced chemical equation that describes the reaction of this buffer when an HCl solution is added. c) What is the resultant pH of this solution after...
Stock glucose (C6H12O6) solution with concentration 50.0 mmol/L. 0.30 mL of such stock solution and added...
Stock glucose (C6H12O6) solution with concentration 50.0 mmol/L. 0.30 mL of such stock solution and added water to each vial to complete 10.0 ml. Final glucose concentrations in mg/dL?
mol A chemist must prepare 625. mL of 1.00M aqueous aluminum chloride (AICI,) working solution. He'll...
mol A chemist must prepare 625. mL of 1.00M aqueous aluminum chloride (AICI,) working solution. He'll do this by pouring out some 1.98 - aqueous L aluminum chloride stock solution into a graduated cylinder and diluting it with distilled water Calculate the volume in mL of the aluminum chloride stock solution that the chemist should pour out. Be sure your answer has the correct number of significant digits. ? X
the amount up oL 6- If 12.00 L of a 6.00 M HNO3 solution needs to...
the amount up oL 6- If 12.00 L of a 6.00 M HNO3 solution needs to be diluted to 0.750 M, what will be its final volume? 8- If 1.00 L of an LiOH solution is boiled down to 164 mL and its initial concentration is 0.00555 M, what is its final concentration? 10 How much water must be added to 1.55 L of 1.65 M Sc(NO3)3(aq) to reduce its concentration to 1.00 M? 8- What volume of 3.99 M...
2. (4 points) A chemist must dilute 34.7 mL of 2.77M aqueous sodium chloride solution until...
2. (4 points) A chemist must dilute 34.7 mL of 2.77M aqueous sodium chloride solution until the concentration falls to 2.00 M . He'll do this by adding distilled water to the solution until it reaches a certain final volume. Calculate this final volume, in milliliters.
Dilution A chemist must dilute 67.1 ml of 2.92 M aqueous potassium iodide (KI) solution unti...
Dilution A chemist must dilute 67.1 ml of 2.92 M aqueous potassium iodide (KI) solution unti the concentration falls to 2.00 M. He'll do this by adding distilled water to the solution until it reaches a certain final volume. Calculate this final volume, in milliliters. Round your answer to 3 significant digits mL 마10
A chemist must dilute 42.5 mL of 3.78 M aqueous iron(II) bromide (FeBr2) solution until the...
A chemist must dilute 42.5 mL of 3.78 M aqueous iron(II) bromide (FeBr2) solution until the concentration falls to 2.00 M. He'll do this by adding distilled water to the solution until it reaches a certain final volume Calculate this final volume, in milliliters. Round your answer to 3 significant digits mL
00+ Soso 10.10 SU 0.725 mol/l 2 mol Answer: 5. Water is added to 150.0 ml of 2.20 M KCl solution to decrease its...
00+ Soso 10.10 SU 0.725 mol/l 2 mol Answer: 5. Water is added to 150.0 ml of 2.20 M KCl solution to decrease its concentration to .0500M? ( 10 points) a. What is the new volume (in liters)? GISLI(2.20N) (osooM) L. 6.6 Answer: b. How much water in liters) must be added? Answer: 22 points
mol A chemist must prepare 625. mL of 1.00M aqueous aluminum chloride (AICI,) working solution. He'll do this by pouring out some 1.98 - aqueous L aluminum chloride stock solution into a graduated cylinder and diluting it with distilled water Calculate the volume in mL of the aluminum chloride stock solution that the chemist should pour out. Be sure your answer has the correct number of significant digits. ? X
the amount up oL 6- If 12.00 L of a 6.00 M HNO3 solution needs to be diluted to 0.750 M, what will be its final volume? 8- If 1.00 L of an LiOH solution is boiled down to 164 mL and its initial concentration is 0.00555 M, what is its final concentration? 10 How much water must be added to 1.55 L of 1.65 M Sc(NO3)3(aq) to reduce its concentration to 1.00 M? 8- What volume of 3.99 M...
2. (4 points) A chemist must dilute 34.7 mL of 2.77M aqueous sodium chloride solution until the concentration falls to 2.00 M . He'll do this by adding distilled water to the solution until it reaches a certain final volume. Calculate this final volume, in milliliters.
Dilution A chemist must dilute 67.1 ml of 2.92 M aqueous potassium iodide (KI) solution unti the concentration falls to 2.00 M. He'll do this by adding distilled water to the solution until it reaches a certain final volume. Calculate this final volume, in milliliters. Round your answer to 3 significant digits mL 마10
A chemist must dilute 42.5 mL of 3.78 M aqueous iron(II) bromide (FeBr2) solution until the concentration falls to 2.00 M. He'll do this by adding distilled water to the solution until it reaches a certain final volume Calculate this final volume, in milliliters. Round your answer to 3 significant digits mL
00+ Soso 10.10 SU 0.725 mol/l 2 mol Answer: 5. Water is added to 150.0 ml of 2.20 M KCl solution to decrease its concentration to .0500M? ( 10 points) a. What is the new volume (in liters)? GISLI(2.20N) (osooM) L. 6.6 Answer: b. How much water in liters) must be added? Answer: 22 points
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