A first order reaction has a rate constant \( 1.15 \times 10^{-3} \mathrm{~s}^{-1} \). How long ....

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A first order reaction has a rate constant
\( \mathrm{P} \)
\( 1.15 \times 10^{-3} \mathrm{~s}^{-1} \). How long will \( 5 \mathrm{~g} \) of this reactant
W
take to reduce to \( 3 \mathrm{~g} \) ?
(1) \( 444 \mathrm{~s} \)
(2) \( 555 \mathrm{~s} \)
(3) \( 333 \mathrm{~s} \)
(4) \( 111 \mathrm{~s} \)


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