A concentrated stock solution of 12M NaOH is available. We like to make 125 mL of...
A concentrated stock solution of 12M NaOH is available. We like
to make 125 mL of a 5.5M NaOH
solution. What volume (in mL) of 12M NaOH and what volume (in mL)
of water should we use to
make this diluted 5.5M NaOH solution?
Homework Answers
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A concentrated stock solution of 12M NaOH is available. We like
to make 125 mL of...
dilution If I add 25 mL of water to 125 mL of a 0.15 M NaOH...
dilution
If I add 25 mL of water to 125 mL of a 0.15 M NaOH solution, what will the molarity of the diluted solution be? (Your answer should be written as 0.XXX with no units) Question 2 0.2 pts If I add water to 100 mL of a 0.15 M NaOH solution until the final volume is 150 mL, what will the molarity of the diluted solution be? (Your answer should be written as 0XXX with no units) Question...
How much volume in mL will you need to take from 4.3 M concentrated stock solution...
How much volume in mL will you need to take from 4.3 M concentrated stock solution if you would like to prepare a diluted 0.6 solution with 100 mL?
Solve the following 1) A solution is made by adding 24.8 mL of concentrated nitric acid...
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A 10.0mL aliquot is taken from a 4L stock solution of 12M stock solution. It is...
A 10.0mL aliquot is taken from a 4L stock solution of 12M stock solution. It is added to a 250mL volumetric flask and diluted with water to the etched line. What is the molarity of the solution in the flask?
1. 2. Using the equation C1V1 = C2V2, calculate the volume (V1) of concentrated solution and...
1.
2.
Using the equation C1V1 = C2V2, calculate the volume (V1) of concentrated solution and the volume of water needed to dilute the following solutions: Concentration Volume (in mls) Concentration of Volume (in mls) of Volume (in mls) of diluted of desired available stock stock solution required of solvent solution desired solution (V2) solution (C1) to make the diluted required to (C2) solution (V1) achieve desired volume (V2-V1) 5 mg/ml 100 ml 1000 mg/ml 15% 10 ml 50% 0.250...
2. A student prepared a stock solution by dissolving 15.0 g of NaOH in enough water...
2. A student prepared a stock solution by dissolving 15.0 g of NaOH in enough water to make 150. mL of a stock solution. She then took 22.5 mL of the stock solution and diluted it with enough water to make 250. mL of a working solution. A. What is the molar concentration of NaOH in the stock solution? B. What is the molar concentration of NaOH in the working solution? C. How much of the working solution will she...
Question 1 20 pts Please prepare 20 mL of 0.2 M NaOH, given a stock solution of 0.6 M NaOH. State...
Question 1 20 pts Please prepare 20 mL of 0.2 M NaOH, given a stock solution of 0.6 M NaOH. State the precise amount of the 0.6 M NaOH used and the amount of diluent (H2O) added Question 2 20 pts Please prepare 500 mL of a 1/100 dilution of serum from a tube with a 1/10O dilution of serum. Please state the volume of the 1/10 dilution of serum used and the volume of diluents (H2O) used 20 pts...
can someon help with these questions To make a standard NaOH solution, about 13 mL of...
can someon help with these questions
To make a standard NaOH solution, about 13 mL of 3 M NaOH is mixed with about 300 mL of deionized water (H2OD) in a 500 ml beaker. Why is it not necessary to know the exact volumes of NaOH and H2OD? a b. It isn't necessary to know more than 1 significant digit As a standard solution, the NaOH solution will only need an approximate molarity. The NaOH solution will be further diluted...
2. A student prepared a stock solution by dissolving 15.0 g of NaOH in enough water...
2. A student prepared a stock solution by dissolving 15.0 g of NaOH in enough water to make 150. mL of a stock solution. She then took 22.5 mL of the stock solution and diluted it with enough water to make 250. mL of a working solution. (5 pts. each) A. What is the molar concentration of NaOH in the stock solution? B. What is the molar concentration of NaOH in the working solution? C. How much of the working...
You wish to make a 0.249 M hydrobromic acid solution from a stock solution of 12.0...
You wish to make a 0.249 M hydrobromic acid solution from a stock solution of 12.0 M hydrobromic acid. How much concentrated acid must you add to obtain a total volume of 50.0 mL of the dilute solution? __mL You wish to make a 0.112 M nitric acid solution from a stock solution of 12.0 M nitric acid. How much concentrated acid must you add to obtain a total volume of 150 mL of the dilute solution? __mL In the...
dilution
If I add 25 mL of water to 125 mL of a 0.15 M NaOH solution, what will the molarity of the diluted solution be? (Your answer should be written as 0.XXX with no units) Question 2 0.2 pts If I add water to 100 mL of a 0.15 M NaOH solution until the final volume is 150 mL, what will the molarity of the diluted solution be? (Your answer should be written as 0XXX with no units) Question...
How much volume in mL will you need to take from 4.3 M concentrated stock solution if you would like to prepare a diluted 0.6 solution with 100 mL?
1.
2.
Using the equation C1V1 = C2V2, calculate the volume (V1) of concentrated solution and the volume of water needed to dilute the following solutions: Concentration Volume (in mls) Concentration of Volume (in mls) of Volume (in mls) of diluted of desired available stock stock solution required of solvent solution desired solution (V2) solution (C1) to make the diluted required to (C2) solution (V1) achieve desired volume (V2-V1) 5 mg/ml 100 ml 1000 mg/ml 15% 10 ml 50% 0.250...
Question 1 20 pts Please prepare 20 mL of 0.2 M NaOH, given a stock solution of 0.6 M NaOH. State the precise amount of the 0.6 M NaOH used and the amount of diluent (H2O) added Question 2 20 pts Please prepare 500 mL of a 1/100 dilution of serum from a tube with a 1/10O dilution of serum. Please state the volume of the 1/10 dilution of serum used and the volume of diluents (H2O) used 20 pts...
can someon help with these questions
To make a standard NaOH solution, about 13 mL of 3 M NaOH is mixed with about 300 mL of deionized water (H2OD) in a 500 ml beaker. Why is it not necessary to know the exact volumes of NaOH and H2OD? a b. It isn't necessary to know more than 1 significant digit As a standard solution, the NaOH solution will only need an approximate molarity. The NaOH solution will be further diluted...
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