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Asked Feb 4, 2020
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What amount (mol) of Rb is present in a sample containing 3.15×1025 atoms?

 

 
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Expert Answer

Step 1

Given,

Number of atoms in a sample = 3.15 × 1025 atoms

We know that, 6.022 × 1023 atoms are in 1 mole of a sam...

Chemistry homework question answer, step 1, image 1
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