5.What was Buckingham palace formally known as? * Buckingham place Buckingham house Buckingham hotel Buckingham hall
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It means that NA (Avogadro's number =6.022×1023) 12C atoms have a mass of 12.0⋅g. You have specified 6.0⋅g. Thus 6.0⋅g12.0⋅g⋅mol−1 = 0.50⋅mol.
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