Urgent‼️‼️‼️‼️‼️‼️ Find the average atomic mass of element Uus. 284Uus 283.4 amu 34.60 % 284.7 amu 21.20 % Uus 287.8 amu 44.20 % 285Uus 288​

Urgent Find the average atomic mass of element Uus 284Uus 2834 amu 3460 2847 amu 2120 Uus 2878 amu 4420 285Uus 288 class=

Respuesta :

Answer:

285.6

Explanation:

(283.4×0.3460)+(284.7×0.2120)+(287.8×0.4420)

=285.6204

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