The decomposition of R at 33 o C is a zero-order reaction. It takes 128 minutes to decompose 41.0% of an initial mass of 739 mg at 33 o C, at 33 o C, (a) What is k? (b) What is the half-life of 739 mg? (c) What is the rate of decomposition for 739 mg? (d) What is the rate of decomposition if one starts with an initial amount of 1.25 g?

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