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### Definitions of Units of Radioactivity - Curie (Ci): A unit of radioactivity that represents \(3.7 \times 10^{10}\) disintegrations per second (dps). - Becquerel (Bq): The SI unit of radioactivity, defined as 1 disintegration per second (1 dps). \[ 1 \text{ Ci} = 3.7 \times 10^{10} \text{ Bq} \] --- ### Step 1: Given Data - Mass of \(\prescript{198}{}{\text{Au}}\) = 9.6 ng = \(9.6 _____ ____ ______ _________ __________ ______ ______ _______.
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