Question

Bruce wants to make 50 ml of an alcohol solution with a 12% concentration. He has...

Bruce wants to make 50 ml of an alcohol solution with a 12% concentration. He has a 10% alcohol solution and a 15% alcohol solution.

Which equation can Bruce use to determine how much of the 10% alcohol solution he should use?

Homework Answers

Answer #1

Please thumbs up

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
. Assume you have 200 mL of a riboflavin stock solution at a concentration of 50...
. Assume you have 200 mL of a riboflavin stock solution at a concentration of 50 mg/L and you want to dilute this to a final concentration of 30 ng/L. (a) If you wanted a final total volume of 100 mL, how much of your original stock solution are you going to have to use? Show your work.
A stock solution of 50 mg/mL NaCl has been prepared. A working stock (1:10) of this...
A stock solution of 50 mg/mL NaCl has been prepared. A working stock (1:10) of this salt solution must be prepared for experiments. What is the concentration of the working (1:10) stock in mg/mL? How would you make 10 mL total diluted working stock solution? How would you make 1 mL total diluted working stock solution?
A researcher withdraws 12 mL of culture 7 hours after inoculation, which has a cell concentration...
A researcher withdraws 12 mL of culture 7 hours after inoculation, which has a cell concentration of 1.5 x 109 cells/mL. After centrifugation and discarding the supernatant, how much tryptone broth, in mL, should she use to resuspend the pellet to obtain a concentration of 3.5 x 109 cells/mL? The answer is 5.1 mL but need to show work.
11. A student wants to make 12.50 mL of 0.36M HCl solution. She has 6.000M HCl...
11. A student wants to make 12.50 mL of 0.36M HCl solution. She has 6.000M HCl stock solution available to her; how much water should she combine with an appropriate volume of stock solution to complete her dilution? a. 0.7500 mL b. 11.75 mL c. 208.3 mL d. none of the above 14. Which of the following acids is assumed to dissociate completely in solution? explain. a. HClO b. HNO3 c. HNO2 d. all of the above 15. When a...
In the lab, Abdul has two solutions that contain alcohol and is mixing them with each...
In the lab, Abdul has two solutions that contain alcohol and is mixing them with each other. He uses 4 times as much Solution A as Solution B. Solution A is 12% alcohol and Solution B is 18% alcohol. How many milliliters of Solution B does he use, if the resulting mixture has 132 milliliters of pure alcohol?
1) What is the percentage of alcohol in the following prescription? Rx Chloroform Spirit 110.0 mL...
1) What is the percentage of alcohol in the following prescription? Rx Chloroform Spirit 110.0 mL (88% alcohol) Aromatic Elixir 85.0 mL (22% alcohol) Terpin Hydrate Elixir 255.0 mL (40% alcohol) Sig. 5 mL for cough 2) In what proportions should 10% and 4% zinc oxide ointments be mixed to prepare a 6% ointment? How much of the 6% can be made using 1 pound of the 10%? 3) If 200 ml of a 10% (w/v) solution are diluted to...
A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment....
A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 750 mL of a solution that has a concentration of Na+ ions of 1.30 M? First determine the number of Na+ using the given molarity and volume. Next, use the chemical formula to determine the number of moles of Na3PO4 needed. Finally, convert moles to grams using the molecular weight of the compound. How...
A student obtains 100 mL of a 0.0002669 M solution of AgNO3. He labels this “solution...
A student obtains 100 mL of a 0.0002669 M solution of AgNO3. He labels this “solution #1.” He then pipets 5 mL of solution #1 into a 50 mL volumetric flask and dilutes to the mark with water. He labels this “solution #2.” He then pipets 10 mL of solution #1 into a 250 mL volumetric flask and dilutes to the mark with water. This is “solution #3.” Finally, the prepares “solution #4” by pipetting 17 mL of solution #3...
Solution A Solution B Oxygen concentration (mg/ml) 100 50 PO2 (mmHg) 50 100 All else being...
Solution A Solution B Oxygen concentration (mg/ml) 100 50 PO2 (mmHg) 50 100 All else being equal, which solution is more likely to have a higher osmolarity? All else being equal, which solution is more likely to have a warmer temperature? Which solution is most like blood? Which solution has the higher oxygen solubility? If solutions A and B were separated by a gas permeable membrane (like gill epithelium), what direction will oxygen diffuse?
In today’s experiment you will need to make 15 mL of a 3.0 M HCl solution....
In today’s experiment you will need to make 15 mL of a 3.0 M HCl solution. You will be diluting from a stock solution of 4.5 M HCl. Use your dilution calculation (M1V1 = M2V2) to determine how much of the original stock solution you will need.  How much water will you be adding to the acidic solution?