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?
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A 2.0 M stock solution of Tylenol was diluted as follows: 15.000 mL of stock solution was added to a 250-ml volumetric flask. Water was added to the flask until the solution's meniscus was at the line on the neck of the flask. 5.000 mL of solution from the 250-ml volumetric flask was added to a 100-ml volumetric flask. Water was added to the flask until the solution's meniscus was at the line on the neck of the flask. Calculate...
A 13.0 mL aliquot of a flouride sample solution was diluted to 250 mL in a volumetric flask. The F- concentration of this DILUTED sample was determined with a F- ion selective electrode and found to be 3.1 mg/L. What is the concentration of F- in the original, undiluted sample?
A chemist pipets 20 mL of a lithium sulfate solution into a 250 mL volumetric flask and dilutes to the mark. He analyzes the diluted solution and finds its concentration to be 0.0023 M Li 2SO 4. What was the concentration of the Li 2SO 4 in the original solution?
You diluted a 12.96 ml vinegar sample into a 100 ml volumetric flask with distilled water. You titrated a 25.00 mL aliquot of that solution and determined the concentration of acetic acid to 0.048 M. What was the concentration of acetic in the original sample.
a 25.0 ml aliquot of vinegar was diluted to 250 ml in volumetric flask. Titration of 50.0 ml aliquots of diluted solution required an average of 34.88 ml of 0.09600 M NaOH. Express the acidity of the vinegar in terms of percentage (w/v) of acetic acid.
Question 1 2 pts 3.34 mL of an unknown glucose solution was diluted in a 100.00 mL of volumetric flask with distilled water. 10mL of that solution and 4.00 mL of the ferricyanide reagent was placed in a second 100.00 mL volumetric flask and diluted to the mark with distilled water. Spectrophotometric analysis of the glucose/ferricyanide solution showed that the concentration of glucose was 0.070 M. What is the concentration of glucose in the unknown solution?
Question 1 2 pts 3.34 mL of an unknown glucose solution was diluted in a 100.00 mL of volumetric flask with distilled water. 10mL of that solution and 4.00 mL of the ferricyanide reagent was placed in a second 100.00 mL volumetric flask and diluted to the mark with distilled water. Spectrophotometric analysis of the glucose/ferricyanide solution showed that the concentration of glucose was 0.070 M. What is the concentration of glucose in the unknown solution?
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?
< 16 of 32 > Part A 250 mL of a 6.0 M HNO3 stock solution is diluted using water to 100 mL. How many moles of HNO3 are present in the dilute solution? View Available Hint(s) 60 moles 0.15 moles 0.6 moles 1.5 moles Submit Part B How many mL of a 14.0M NH3 stock solution are needed to prepare 200 mL of a 4.20 M dilute NH3 solution? ► View Available Hint(s) 600 ml 0.060 mL 840 mL...
1. a solution mixture of 28 ml of 100% cranberry juice is diluted to 100.0 ml in a volumetric flask. calculate the %(v/v) concentration of cranberry juice in the solution 2. Suppose that you measured the absorbance spectrum of a juice solution and obtained the spectrum below. What wavelength should be used to generate the Beer's Law plot of differing concentrations of that juice? 3. Refer to the calibration curve provided in Figure 2. a. What are the labels...