Biol 190L Practice Problems 4. Solve the following concentration problems and show your work. • Calculate and describe how you would make 60 mL of a 0.8 M NaCI (working) solution from a 6 M stock solution. Calculate how much (volume) of 0.8 M working solution could be made from 12 ml of 6 M CGH1206 (stock) solution. 5. Solve the following concentration problem and show your work. Calculate and circle which represents a higher concentration of NaCl : 1) 5 M or 2) 20%?
Biol 190L Practice Problems 4. Solve the following concentration problems and show your work. • Calculate and describe how you would make 60 mL of a 0.8 M NaCI (working) solution from a 6 M stock solution. Calculate how much (volume) of 0.8 M working solution could be made from 12 ml of 6 M CGH1206 (stock) solution. 5. Solve the following concentration problem and show your work. Calculate and circle which represents a higher concentration of NaCl : 1) 5 M or 2) 20%?
Chemistry
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Biol 190L Practice Problems
4. Solve the following concentration problems and show your work.
• Calculate and describe how you would make 60 ml of a 0.8 M NaCI (working) solution from a
6 M stock solution.
Calculate how much (volume) of 0.8 M working solution could be made from 12 ml of 6 M
CGH1206 (stock) solution.
5. Solve the following concentration problem and show your work.
Calculate and circle which represents a higher concentration of NaCl: 1) 5 M or 2) 20%?
Expert Solution
Step 1
No. Of moles of substance does not changes due to dilation. So to find the concentration or volume use dilution law
M1V1 = M2V2
To compare the strength of two solution use same concentration scale.
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