On earth, tin has 10 different stable isotopes. The heaviest, 124 Sn makes up 5.80% of naturally occurring tin atoms. How many atoms of 124 Sn are present in 27.3 g of a natural sample of tin? Helpful tip: To enter a number in scientific notation, enter 1.0OE5 or 1.0e5, for 1.0 x 105 where the E# (or e#) denotes 10* atoms Considering 124 Sn has an isotopic mass of 123.905 amu , calculate the mass of this isotope in the sample. Mass g

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