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Review | Consta Part A 3.40 1023 atoms of lanthanum, La Express your answer to three significant figures and include the appr
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Pull it atoms = 3.40 8 10 23 atoms. moleo La = 3.40 x10 23 610 23 X 623 = 0. 5 645 mole. mole La = 10.565 mole. mana La = 60.

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