Chemistry, 14.08.2019 08:20, petroale000

The two isotopes of potassium with signiﬁcant abundance in nature are 39k asotopic mass 38.9637 amu, 932.58%) and 41k osotopic mass 40.9618 amu, 6.730%). fluorine has only one naturally occurring isotope, 19f (isotopic mass 18.9984 amu). calculate the formula mass of potassium fluoride.

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The two isotopes of potassium with signiﬁcant abundance in nature are 39k asotopic mass 38.9637 amu,...