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How many moles are in 1.22 * 10^20 atoms of Si
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How many moles are in 1.22 * 10^20 atoms of Si

User Tomuke
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2 Answers

8 votes

Answer:

7.35×1023 atoms

Step-by-step explanation:

User Mgsloan
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5.1k points
7 votes

Answer:

2.03 × 10⁻⁴ moles

Step-by-step explanation:

To convert atoms to moles, use Avogadro's number (6.022 × 10²³).

(1.22 × 10²⁰ atoms)/(6.022 × 10²³ atoms/mol) = 2.03 × 10⁻⁴ mol

User InfoLearner
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