A chemist wishing to do an experiment requiring 47Ca2+ ( half life=4.5 days) need (5.0×10^-6) grams. What mass of 47CaCO3 must be ordered if it takes…

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A chemist wishing to do an experiment requiring 47Ca2+ ( half life=4.5 days) need (5.0×10^-6) grams. What mass of 47CaCO3 must be ordered if it takes 48 hours delivery from the supplier? Assum that the atomic mass of 47Ca2+ is 47g.

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