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How many grams of each of the following elements must be taken to get 1 mol of the element ? (a) sodium , (b) chlorine , (c) copper |
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Answer» The mass of 1 mol of an element is its atomic mass expressed in grams . Since the atomic masses of sodium , chlorine and copper are 23 g , 35.5 g and 63.5 g respectively , we get (a) 23 g (b) 35.5 g (c) 63.5 g |
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