masa atomowa pierwiastka wynosi 24u . oblicz mase atomu tego pierwiastka
24g------6,02*10²³ at.
x g---------1 at.
x = 3,99*10⁻²³ g
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24g------6,02*10²³ at.
x g---------1 at.
x = 3,99*10⁻²³ g