18. How much ml of ethanol is needed to make 2000ml of an aqueous 15% (v/v) solution? A. 3000 mL B. 300 mL C. 30 mL D. None of the above 19. What mass of HCI is needed to make 3000g of 3% solution? (MW: H=lg/mol, Cl=35g/mol) A. 0.09 gram B. 90 grams C. 0.1 gram D. 10 grams
18. How much ml of ethanol is needed to make 2000ml of an aqueous 15% (v/v) solution? A. 3000 mL B. 300 mL C. 30 mL D. None of the above 19. What mass of HCI is needed to make 3000g of 3% solution? (MW: H=lg/mol, Cl=35g/mol) A. 0.09 gram B. 90 grams C. 0.1 gram D. 10 grams
Chapter7: Solutions And Colloids
Section: Chapter Questions
Problem 7.26E
Related questions
Question
Answer no. 18-19
![H20 was removed? (MW: K-39g/mol, C-35g/mol, H-1g/mol, 0-16g/mol)
A. 1.03 L
B. 0.47 L
C. 1968.75 mL
D. 4.68.75 mL
17. Suppose that 15M of NaCl solution with a volume of 15L is heated and loses 2000ml of its
be the final concentration of your NaCI sample? (MW: Na=23g/mol, Cl-35g/mol, H=1g/mol,
A. 3.75 M
B. 0.0375 M
C. 37.5 M
D. 375.0 M
18. How much ml of ethanol is needed to make 2000ml of an aqueous 15% (v/v) solution?
A. 3000 mL
B. 300 mL
C. 30 mL
D. None of the above
19. What mass of HCI is needed to make 3000g of 3% solution? (MW: H=lg/mol, Cl=35g/mol)
A. 0.09 gram
B. 90 grams
C. 0.1 gram
D. 10 grams](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff4caf361-8d3d-4506-9965-253935172ba3%2Fbc5c424c-15a1-4c35-95c4-7f900a00fbab%2Fb6hfrgh_processed.jpeg&w=3840&q=75)
Transcribed Image Text:H20 was removed? (MW: K-39g/mol, C-35g/mol, H-1g/mol, 0-16g/mol)
A. 1.03 L
B. 0.47 L
C. 1968.75 mL
D. 4.68.75 mL
17. Suppose that 15M of NaCl solution with a volume of 15L is heated and loses 2000ml of its
be the final concentration of your NaCI sample? (MW: Na=23g/mol, Cl-35g/mol, H=1g/mol,
A. 3.75 M
B. 0.0375 M
C. 37.5 M
D. 375.0 M
18. How much ml of ethanol is needed to make 2000ml of an aqueous 15% (v/v) solution?
A. 3000 mL
B. 300 mL
C. 30 mL
D. None of the above
19. What mass of HCI is needed to make 3000g of 3% solution? (MW: H=lg/mol, Cl=35g/mol)
A. 0.09 gram
B. 90 grams
C. 0.1 gram
D. 10 grams
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