If a Sealed Box at STP Holds a Total of 6.7

question 15

Multiple Choice

If a sealed box at STP holds a total of 6.7 moles of clean air, how many oxygen molecules does it contain?

• A)8.4 × 10²³ oxygen molecules
• B)6.02 × 10²³ oxygen molecules
• C)1.3 × 10²³ oxygen molecules
• D)1.4 × 10²⁴ oxygen molecules
• E)4.0 × 10²⁴ oxygen molecules

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