Chemistry, 04.03.2021 19:40 raywils0n12300p0t3yc
Determine the mass in grams of 5.11 × 10²¹ atoms of copper. (The mass of one mole of copper is 63.55 g.)
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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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Determine the mass in grams of 5.11 × 10²¹ atoms of copper. (The mass of one mole of copper is 63.55...
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