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A sample of tantalum contains 200.0 micrograms of Ta-179. Determine the activity of the sample in millicuries? How many grams of HCl are required to produce 224 liters of Cl2 at STP? How many atoms are 2.08 mol of Au? What is gcd(12!, 15^3)? Given: G= 6.672 x 10e^ -11 Nm^2/kg^2
Io, a satellite of Jupiter, has an orbital radius of 4.48 x 10^5 km. Determine Jupiter s mass in kg.?

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