How Many Molecules of N₂O₄ Are in 76

question 81

Multiple Choice

How many molecules of N₂O₄ are in 76.3 g N₂O₄? The molar mass of N₂O₄ is 92.02 g mol^-1.

• A) 5.54 × 10²⁵ N₂O₄ molecules
• B) 7.26 × 10²³ N₂O₄ molecules
• C) 1.38 × 10²⁴ N₂O₄ molecules
• D) 4.59 × 10²⁵ N₂O₄ molecules
• E) 4.99 × 10²³ N₂O₄ molecules

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