Physics, 28.10.2019 20:31 lillianmitchell580
The atomic weight of antimony is 121.76 amu. two naturally occurring isotopes of antimony. 121-sb has an isotopic mass of 120.9038 amu and natural abundance of 57.40%. what is the isotopic mass of the other isotope, 123-sb?
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The number of passengers who arrive at the platform of a subway station for the 10 am train is a random variable with a mean of 120 and a variance of 16. find the lower bound of the probability that there will be between 100 and 140 passengers (round off to second decimal place).
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The atomic weight of antimony is 121.76 amu. two naturally occurring isotopes of antimony. 121-sb ha...
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