Answer to Question #281395 in Chemistry for ddr

Question #281395

an element A has following isotopic composition; ⁵⁶A : 60%; ⁵⁸A : 30%; ⁵⁹A : 10% then average atomic mass of element A will be

Expert's answer

Average atomic mass of element A: (56 x 60 + 58 x 30 + 59 x 10) / 100 = 56.9

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