Rate constant of a first order reaction when 20 millimole falls to a smaller amount in a given time

1. A.
   0.011 minute $\ ^{- 1}$
2. B.
   0.023 minute $\ ^{- 1}$
3. C.
   0.032 minute $\ ^{- 1}$
4. D.
   0.041 minute $\ ^{- 1}$

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1. A.
   $0.6023\ \mathrm{minute^{-1}}$
2. B.
   $6.120\ \mathrm{minute^{-1}}$
3. C.
   $0.3010\ \mathrm{minute^{-1}}$
4. D.
   $2.010\ \mathrm{minute^{-1}}$

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1. A.
   $3.010\ \mathrm{minute^{-1}}$
2. B.
   $0.602\ \mathrm{minute^{-1}}$
3. C.
   $2.303\ \mathrm{minute^{-1}}$
4. D.
   $0.301\ \mathrm{minute^{-1}}$

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