Atomic Structure and Molecular Composition

Questions (2)

Classify each of these statements as always true, sometimes true, or never true1)___AT_____A mole of a pure substance contains
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2. asked by bryan
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Need some help with these1. A 15.0 carat (3.00g) diamond is found to be 99.9% carbon. What mass of carbon is in this diamond? 2.
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2. asked by Mr. Anonymous
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