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13 July, 13:24

Which chemical equation best describes the reaction of potassium metal with fluorine gas to form solid potassium fluoride?

A. K (s) + F2 (g) → KF2 (s)

B. K (s) + F (g) → KF (s)

C. K2 (g) + F2 (g) → 2 KF (s)

D. 2 K (s) + F2 (g) → 2 KF (s)

I guessed B

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  1. 13 July, 13:40
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    A. K (s) + F2 (g) → KF2 (s)

    B. K (s) + F (g) → KF (s)

    C. K2 (g) + F2 (g) → 2 KF (s)

    D. 2 K (s) + F2 (g) → 2 KF (s)

    it exists as a pale yellow diatomic gas at standard conditions!
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