Explain the decomposition of phosphine

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Reference no: EM13559806

The decomposition of Phosphine, PH3(g), to P4 (g) and H2 is first order with rate constant of 1.1 min-1

a) How long will it take to decompose one fifth of the Phosphine?

b) What percentage of Phospine is decomposed after 1.25 min?

Reference no: EM13559806

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