Natural k consists of 2 stable isotopes 39k(93.10%) and, Ask an Expert

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Natural K consists of 2 stable isotopes 39K(93.10%) and 41K(6.88%) and one radioactive isotope 40K (0.0118%, t1/2 = 1.27x109 years) .

(a) What will be the activity shown by 21 g of KCI?

(b) How many curies of 40K are present in the 21 g of KCI?

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Reference No.:- M9695559

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