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How many grams of mgbr2 are needed to produce 75g or metal?
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Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g. what is the percent by mass of water in the hydrate? %
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Mercury turns to a vapor at 629.88 k. how much heat is lost when 75.0 g of mercury vapor at 650 k condenses to a liquid at 297 k?
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Acetylene, C2H2 (also known as ethyne), is commonly used as a fuel for welding torches.
a. True
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