Name the most appropriate method of preparing each of the following salts. A. magnesium chloride
B. lead (II) sulfate
C. anhydrous iron (III) chloride
D. potassium nitrate

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You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver

The following transition occurs at a molecular level for a substance. what transition corresponds to this change in microscopic structure? the carbon dioxide molecules on the left are in a regular, tightly packed pattern. after heating, it becomes much lower density. a. melting b. boiling c. sublimation d. freezing