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5. What are the weights of (a) 1 curie and 1 rd of Ra? (b) 1 curie and 1 rd of Rn? (c) 1

5. What are the weights of (a) 1 curie and 1 rd of Ra? (b) 1 curie and 1 rd of Rn? (c) 1 microcurie and 1 rd of RaA? (d) 1 microcurie and 1 rd of RaC'?

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