Which of the following statements is TRUE? a. Some solutions can be separated into their components by filtration. b. Solubility is a chemical property like melting point and boiling point. c. The solubility of gases in liquids generally increases as temperature increases. d. The solubility of ionic compounds in water generally increases as temperature increases.
1. Which of the following statements is TRUE?
a. Some solutions can be separated into their components by filtration.
b. Solubility is a chemical property like melting point and boiling point.
c. The solubility of gases in liquids generally increases as temperature increases.
d. The solubility of ionic compounds in water generally increases as temperature increases.
2. To make 5.00 L of a fruit punch that contains 10.0% v/v ethanol, how much 95.0% v/v ethanol must be
mixed with how much fruit juice?
a. 1.90 L
b. 48.0 mL
c. 526 mL
d. 190 mL
3. The Maximum Acceptable Concentration (MAC) of Pb in drinking water is 10 ppb. If a sample has
concentration of 65 nM, what will be the concentration in ppb and does it exceed the MAC?
a. 8 ppb, no it didn’t exceed the MAC
b. 9 ppb, no it didn’t exceed the MAC
c. 12 ppb, yes it exceeds the MAC
d. 13 ppb, yes it exceeds the MAC
4. Calculate the percent by volume of a solution created by adding 75.0 mL of acetic acid to 725 mL of
water.
a. 4.93 %
b. 9.38 %
c. 10.3 %
d. 3.10 %
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