danksans7011
09.09.2020 •
Chemistry
Calculate the atomic mass of an element if 60.4% of the atoms have a mass of 68.9257 amu and the rest have a mass of 70.9249 amu. Identify the element in the periodic table.
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Ответ:
Answer
Explanation
Atomic mass = abundances1 x relative mass 1+ abundances 2 x relative mass 2 ...etc
= ( 60.4% x 68.9257 + 39.6% x 70.9249)
= 0.604 x 68.9257 + 0.396 x 70.9249)
= 69.72 amu
Ответ:
Lets just do this quick
Explanation: