6. Chemical Quantities & Aqueous Reactions

What is the molarity (M) of a solution prepared by diluting 125 mL of 0.500 M H₂SO₄ to 375 mL?

Calculate the concentration (M) of sodium ions in a solution made by diluting 50.0 mL of a 0.874 M solution of Na₂S to a total volume of 250.0 mL.

What is the final volume when 15.00 mL of a 4.50 M HCl solution is diluted to a final concentration of 0.750 M?

Which of the following is the correct procedure to prepare a dilute hydrochloric acid solution from a concentrated stock solution?

Which formula is used to calculate the volume of stock solution needed to prepare a dilute solution from a concentrated solution?

What volume of concentrated (14.7 M) phosphoric acid is required to prepare 25.0 L of 3.0 M H3PO4 solution?

A student prepared a stock solution by dissolving 15.0 g of KOH in enough water to make 150. mL of solution. She then took 15.0 mL of the stock solution and diluted it with enough water to make 65.0 mL of a final solution. What is the concentration of the final solution in mol/L?

What volume of 13 M HCl is needed to prepare 350 mL of 4.0 M HCl solution?

What is the final volume when 20.00 mL of 3.00 M NaCl solution is diluted to a final concentration of 0.100 M?

Calculate the concentration (M) of sodium ions in a solution made by diluting 80.0 mL of a 0.174 M solution of sodium sulfide (Na2S) to a total volume of 125 mL.

A 100.0 mL sample is prepared from a 250.0 mL stock solution by pipetting 5.00 mL of the stock solution and diluting it until it had a molarity of 2.5 * 10^-4 M. What is the molarity of the original stock solution?

During a serial dilution, you use 15.0 mL of a standard solution and dilute it to 1.35 L twice. What is the final concentration if the standard solution had an initial concentration of 0.500 M?

Calculate the concentration (M) of sodium ions in a solution made by diluting 40.0 mL of a 0.474 M solution of sodium sulfide (Na2S) to a total volume of 300 mL.