20.0 mL of a 0.750 M solution is diluted to 80.0 mL. Then, 40.0 mL of...
20.0 mL of a 0.750 M solution is diluted to 80.0 mL. Then, 40.0 mL of this new solution is diluted to 250 mL. Finally, 25.0 mL of this solution is diluted to 175 mL. What is the concentration in moles per liter of the final solution?
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20.0 mL of a 0.750 M solution is diluted to 80.0 mL. Then, 40.0
mL of...
You use 20.0 mL of solution A, 10.0 mL of solution B, and 80.0 mL of...
You use 20.0 mL of solution A, 10.0 mL of solution B, and 80.0 mL of water for your first mixture. What is the initial concentration of KIO3? The stock solution A is 0.0200 M. Enter with the unit of M Your Answer:
100 ml of a 1.5 M solution are diluted to 250 ml in a 250 ml...
100 ml of a 1.5 M solution are diluted to 250 ml in a 250 ml volumetric flask. what is the concentration of the new solution?
A buffer is prepared by combining 80.0 mL of 0.50M HClO and 40.0 mL of 1.0M...
A buffer is prepared by combining 80.0 mL of 0.50M HClO and 40.0 mL of 1.0M NaClO. The Ka of hypochlourous acid is 3.5X10-8. a.) if one adds 0.080 mol of solid KOH to the solution, what will be the new pH? assume no change in volume. b.) If instead, one adds 20.0 mL of 1.0 M HCl to the orginal buffer, what will be the new pH?
26.4 mL of 2.50 M stock solution of sucrose is diluted to 50.0 mL. A 13.5...
26.4 mL of 2.50 M stock solution of sucrose is diluted to 50.0 mL. A 13.5 mL sample of the resulting solution is then diluted to 45.0 mL. A 20.0 mL sample of this solution is then diluted to 75.0 mL. What is the concentration of sucrose in the final solution? (Please see lecture 4, slide 6 for assistance.) ____M
A solution is prepared by adding 20.0 mL of 0.15 M HCl to 80.0 mL of...
A solution is prepared by adding 20.0 mL of 0.15 M HCl to 80.0 mL of 0.20 M NH3. Ka(NH4+)= 5.8 x 10-10 a. Is this solution a buffer? Why or why not? b. What is the pH of the solution?
If 45.0 ml of 0.25 M sodium chloride solution is diluted to a final volume of...
If 45.0 ml of 0.25 M sodium chloride solution is diluted to a
final volume of 170.0 ml what is the concentration of the new
solution ?
I know the answer is A but I don’t know how to get to the
right answer :(
35. If 45.0 ml of 0.25 M sodium chloride solution is diluted to a final volume of 170.0 mL, what is the concentration of the new solution? a. 0.066M b. 0.090 M c. 0.18 d....
a) Calculate the final concentration when 25.0 mL of an 18.0 M HCl solution is diluted...
a) Calculate the final concentration when 25.0 mL of an 18.0 M HCl solution is diluted to 0.500 L. b) Calculate the volume required when an 8.50 M KOH solution is diluted to form 95.0 mL of a 0.500 M KOH solution
A 75.0 mL aliquot of a 1.50 M solution is diluted to a total volume of...
A 75.0 mL aliquot of a 1.50 M solution is diluted to a total volume of 208 mL. A 104 mL portion of that solution is diluted by adding 185 mL of water. What is the final concentration? Assume the volumes are additive. concentration: M
A 68.0 mL aliquot of a 1.20 M solution is diluted to a total volume of...
A 68.0 mL aliquot of a 1.20 M solution is diluted to a total volume of 288 mL. A 144 mL portion of that solution is diluted by adding 191 mL of water. What is the final concentration? Assume the volumes are additive. concentration: M
a. What is the new % (m/v) concentration when water is added to 25.0 mL of...
a. What is the new % (m/v) concentration when water is added to 25.0 mL of 20.0% (m/v) NaOH to make 300.0 mL of a diluted NaOH solution? b. What is the new molarity of the solution when water is added to 125.0 mL of 2.50 M NaOH to make 300. mL of a diluted NaOH solution?
You use 20.0 mL of solution A, 10.0 mL of solution B, and 80.0 mL of water for your first mixture. What is the initial concentration of KIO3? The stock solution A is 0.0200 M. Enter with the unit of M Your Answer:
If 45.0 ml of 0.25 M sodium chloride solution is diluted to a
final volume of 170.0 ml what is the concentration of the new
solution ?
I know the answer is A but I don’t know how to get to the
right answer :(
35. If 45.0 ml of 0.25 M sodium chloride solution is diluted to a final volume of 170.0 mL, what is the concentration of the new solution? a. 0.066M b. 0.090 M c. 0.18 d....
A 75.0 mL aliquot of a 1.50 M solution is diluted to a total volume of 208 mL. A 104 mL portion of that solution is diluted by adding 185 mL of water. What is the final concentration? Assume the volumes are additive. concentration: M
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