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The noble gases are located in which column of the periodic table? a. 1b. 6c. 9d. 18

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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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The noble gases are located in which column of the periodic table? a. 1b. 6c. 9d. 18...

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