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Rate constant of first order A to B from rate 5.4 x 10^-6 and [A] = 0.3 M

The same question, asked 2 times: 10 May 2024 S2, 20 Apr 2026 S2. Every wording below, oldest first.

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  1. Question 1

    10 May 2024 S2

    65
    Calculate the rate constant for the first order reaction, A→BA\rightarrow B if the rate of reaction is 5.4×10−6 mol dm−35.4\times10^{-6}\,\text{mol dm}^{-3} and [A]=0.3 M[A]=0.3\,M

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  2. Question 2

    20 Apr 2026 S2

    29
    Calculate the rate constant of first order reaction A→B\mathrm{A \rightarrow B} having rate 5.4×10−6 mol dm−3s−15.4 \times 10^{-6}\ \mathrm{mol\,dm^{-3}s^{-1}} and [A]=0.3[\mathrm{A}] = 0.3 M.

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