How Many Molecules of XeF₆ are Formed from 12

question 171

Multiple Choice

How many molecules of XeF₆ are formed from 12.9 L of F₂ (at 298 K and 2.60 atm) according to the following reaction? Assume that there is excess Xe. Xe(g) + 3 F₂(g) → XeF₆(g)

• A) 1.21 × 10²³ molecules XeF₆
• B) 8.25 × 10²³ molecules XeF₆
• C) 2.75 × 10²³ molecules XeF₆
• D) 7.29 × 10²³ molecules XeF₆
• E) 1.37 × 10²³ molecules XeF₆

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