Answer to Question #209462 in General Chemistry for Melindachill

Question #209462

lead-204 203.973amu, 1.40% abundance. lead-206 205.974 amu, 24.10% abundance. lead-207???, abundance 22.10%. lead-208 207.977, abundance 52.40%. Calculate the isotope mass of lead-207

Expert's answer

=207.2 amu (Pb)

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