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Which of the following is TRUE about the properties of aqueous solutions?
Select one:
a. A pH change from 5.0 to 6.0 reflects an increase in the hydroxide ion concentration ([OH-]) of 20 percent.
b. A pH change from 8.0 to 6.0 reflects a decrease in the proton concentration ([H+]) by a factor of 100.
c. Charged molecules are generally insoluble in water.
d. Hydrogen bonds form readily in aqueous solutions.
e. The pH can be calculated by adding 7 to the value of the pOH
Which are the living beings that carry out photosynthesis? Which is the cell organelle responsible for the absorption of light for the photosynthesis process in plants and algae?
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