Question 1
When 200. mL of 1.50 × 10
-4 M hydrochloric acid is added to 100. mL of 1.75 × 10
-4 M Mg(OH)
2, the resulting solution will be
◦ neutral.
◦ acidic.
◦ basic.
◦ It is impossible to tell from the information given.
Question 2
Three different substances, A
2X, A
2Y, and A
2Z, were dissolved in water with the following results. (Water molecules are omitted for clarity.) Which of the substances is the strongest electrolyte, and which is the weakest?
◦ A
2Y is the strongest electrolyte and A
2Z is the weakest electrolyte.
◦ A
2Y is the strongest electrolyte and A
2X is the weakest electrolyte.
◦ A
2X is the strongest electrolyte and A
2Y is the weakest electrolyte.
◦ A
2Z is the strongest electrolyte and A
2Y is the weakest electrolyte.
Water Molecules
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Water-Soluble Vitamins for Treating Nutritional Disorders
Predators adapt to extreme water pressure and the absence of light
Water as a Polar Molecule
Water as a Solvent