1. Which of the following compounds will be more soluble if the pH of a saturated solution is lowered? A. AgCl В. РЬС, C. NaCi D. Cr(ОH), 2. Will the solubility of sodium iodide, Nal, increase, decrease, or remain constant if the pH is decreased by adding a strong acid? 3. Will the solubility of aluminum hydroxide, Al(OH),, increase, decrease, or remain constant if the pH is decreased adding a strong acid? 4. Will the solubility of lithium acetate, LiC,H,O, increase, decrease, or remain constant if the pH is decreased by| adding a strong acid? 5. Will the solubility of potassium bromide, KBr, increase, decrease, or remain constant if the pH is increased by adding a strong base NaOH? 6. Will the solubility of manganese chloride, MnCl,, increase, decrease, or remain constant if the pH is increased by adding a strong base KOH?

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.