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Which BEST describes how an experiment should be designed?
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The difference between the atomic number of an element and the element’s atomic mass is the number of ions.
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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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Which BEST describes how an experiment should be designed?...
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