6. What is the percent by volume of isopropanol in a 90ml solution that contains 25ml isopropanol? a. 26.8 % isopropanol b. 26.9 % isopropanol c. 27.8 % isopropanol d. 27.9 % isopropanol
6. What is the percent by volume of isopropanol in a 90ml solution that contains 25ml isopropanol? a. 26.8 % isopropanol b. 26.9 % isopropanol c. 27.8 % isopropanol d. 27.9 % isopropanol
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter10: Solutions
Section: Chapter Questions
Problem 6QAP
Related questions
Question
![SCIENCE_Q1_MODULE_5_quantity-really-matters_FINALO.
6. What is the percent by volume of isopropanol in a 90ml solution that contains
25ml isopropanol?
a. 26.8 % isopropanol
b. 26.9 % isopropanol
c. 27.8 % isopropanol
d. 27.9 % isopropanol
co a1_Science7_Modules
7. What is the volume of a 20% methyl solution that contains 15mL of methyl?
a. 6 ml of methyl
b. 4 mL of methyl
c. 5 ml of methyl
d. 3mL of methyl
с.
8. What is the percent by mass concentration of a solution that contains 30.0g
of sugar dissolved in 150g of water?
a. 16.5%
b. 16.7%
c. 17.6 %
d. 17.7%
9. A genuine sterling silver items is 92.5% silver by mass. This means that:
a. 92.5 g is silver and 7.5g is another metal (usually copper)
b. 0.5 g is silver and 92.5g is another metal (usually copper)
c. 46.25g is silver and 46.25g is another metal (usually copper)
d. 92.5g of the jewelry is made up of pure silver
10.The following are quantitative descriptions of concentrations, EXCEPT:
a. percent by mass
b. polarity
c. dilute solution
d. PPM
2.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F167b3bed-70f8-42be-b1fc-4f5bca1be4dc%2F16a47902-5789-4e72-82cd-3f161c2d20e0%2Foubucb_processed.jpeg&w=3840&q=75)
Transcribed Image Text:SCIENCE_Q1_MODULE_5_quantity-really-matters_FINALO.
6. What is the percent by volume of isopropanol in a 90ml solution that contains
25ml isopropanol?
a. 26.8 % isopropanol
b. 26.9 % isopropanol
c. 27.8 % isopropanol
d. 27.9 % isopropanol
co a1_Science7_Modules
7. What is the volume of a 20% methyl solution that contains 15mL of methyl?
a. 6 ml of methyl
b. 4 mL of methyl
c. 5 ml of methyl
d. 3mL of methyl
с.
8. What is the percent by mass concentration of a solution that contains 30.0g
of sugar dissolved in 150g of water?
a. 16.5%
b. 16.7%
c. 17.6 %
d. 17.7%
9. A genuine sterling silver items is 92.5% silver by mass. This means that:
a. 92.5 g is silver and 7.5g is another metal (usually copper)
b. 0.5 g is silver and 92.5g is another metal (usually copper)
c. 46.25g is silver and 46.25g is another metal (usually copper)
d. 92.5g of the jewelry is made up of pure silver
10.The following are quantitative descriptions of concentrations, EXCEPT:
a. percent by mass
b. polarity
c. dilute solution
d. PPM
2.
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