The molar mass of a palladium is 106.42g/mol. therefore, 53.2 g of a palladium contains mol.

You would divide 53.2 by 106.42 and get an answer of 0.49992 so using 3 sig figs it would be 0.500 mols

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Are there any options? if so, any of them hinting at passing genes down from one generation to the next, would be your answer.