Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter6: Solutions And Colloids
Section: Chapter Questions
Problem 6.40P: 6-40 What is the molarity of each solution? (a) 47 g of KCI dissolved in enough water to give 375 mL...
Related questions
Question
100%
How would you prepare 100ml of 0.5m solution using stock solution?
please explain your answer
![Introduction
A 1.0 M solution contains 1 mole of that substance in 1 liter of solution, and a 1.0 N solution contains
1 equivalent weight of substance per liter of solution.
Since the molecular weights of Na = 22.99 and Cl = 35.45
For NaCl, one mole = 1 equivalent weight = 58.44 g
%3D
Therefore 1M solution = 58.44 gm of NaCl dissolved in 1 liter of distilled water or
5.844 gm of NaCl dissolved in 100 ml of distilled water](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe62bde97-f8f1-4936-a191-e15c29192d5e%2Ff85038de-3ba4-4a3c-9679-df1ec523c702%2Fv8h6xp8_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Introduction
A 1.0 M solution contains 1 mole of that substance in 1 liter of solution, and a 1.0 N solution contains
1 equivalent weight of substance per liter of solution.
Since the molecular weights of Na = 22.99 and Cl = 35.45
For NaCl, one mole = 1 equivalent weight = 58.44 g
%3D
Therefore 1M solution = 58.44 gm of NaCl dissolved in 1 liter of distilled water or
5.844 gm of NaCl dissolved in 100 ml of distilled water
![Solution A
1. Using a pipette pump, and a 10ml pipette, transfer 10ml of the stock solution to another
volumetric flask
2. Make up to the 100ml mark with distilled water, stopper the flask and shake well.
Since this a ten times dilution the, Molarity of this solution is
Solution B
1. Using a pipette pump, and a 10ml pipette, transfer 10ml of the Solution A to another
volumetric flask
2. Make up to the 100ml mark with distilled water, stopper the flask and shake well.
Since this a ten times dilution the, Molarity of this solution is =
M](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe62bde97-f8f1-4936-a191-e15c29192d5e%2Ff85038de-3ba4-4a3c-9679-df1ec523c702%2Fmev9rqd_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Solution A
1. Using a pipette pump, and a 10ml pipette, transfer 10ml of the stock solution to another
volumetric flask
2. Make up to the 100ml mark with distilled water, stopper the flask and shake well.
Since this a ten times dilution the, Molarity of this solution is
Solution B
1. Using a pipette pump, and a 10ml pipette, transfer 10ml of the Solution A to another
volumetric flask
2. Make up to the 100ml mark with distilled water, stopper the flask and shake well.
Since this a ten times dilution the, Molarity of this solution is =
M
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Would the molarity of NaCl change if it had 1 gram of sugar in the solution as well? Explain your answer
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