(A) How many Pb atoms are present in a small piece of lead with a volume of...

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(A) How many Pb atoms are present in a small piece of lead with a volume of 0.105 cm³? The density of Pb = 11.34 g/cm³.

(B) Rhenium-187 is a radioactive isotope that can be used to determine the age of meteorites. A 0.100 mg sample of Re contains 2.02 x 10¹⁷ atoms of ¹⁸⁷Re. What is the percent isotopic abundance of rhenium-187 in the sample?

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General Chemistry Principles And Modern Applications

ISBN: 9780132931281

11th Edition

Authors: Ralph Petrucci, Jeffry Madura, F. Herring, Carey Bissonnette

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Question Posted: Nov 07, 2023 01:48 PM

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(A) How many Pb atoms are present in a small piece of lead with a volume of...

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General Chemistry Principles And Modern Applications

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