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    #střední škola
    #obecná chemie ii.
    ČeštinaČeština
    Last updated 9 May 2024
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    Question

    Síra se v přírodě vyskytuje ve formě čtyř stabilních izotopů. Vypočti střední relativní atomovou hmotnost síry, jestliže máš následující údaje (výsledky zaokrouhluj na tři desetinná místa):

    Izotop

    Zastoupení [%]

    A_{r}

    { }^{32} S

    94,99

    31,972

    { }^{33} S

    0,75

    32,971

    { }^{34} S

    4,25

    33,967

    { }^{36} S

    0,01

    35,967

    Answer

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