How many molecules are in 7.5*10^19 particles of Fe2O3?

7.5 × 10¹⁹ molecules Fe₂O₃

General Formulas and Concepts:

Chemistry - Atomic Structure

Explanation:

Step 1: Define

7.5 × 10¹⁹ particles Fe₂O₃

Step 2: Identify Conversions

Avogadro's Number

Step 3: Convert

= 7.5 × 10¹⁹ molecules Fe₂O₃

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