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Naturally occurring lead exists as four stable isotopes:204Pb with a mass of 203.973 amu (1.480%); 206Pb 205.974 amu (23.60%); 207Pb 206.9759 amu...
Naturally occurring lead exists as four stable isotopes:204Pb with a mass of 203.973 amu (1.480%); 206Pb 205.974 amu (23.60%); 207Pb 206.9759 amu (22.60%); and 208Pb 207.9766 amu (52.30%). Calculate the average atomic mass of lead.