a hypothetical element consists of two isotopes of masses 79.95 amu and 81.95 amu with abundance's of 31.3% and 68.7%, respectively. what is the average atomic mass of this element

h let me think

i have no clue hope you find the answer

shield volcanos are angry and get mad over the smallest things so much that there heads erupt   pahoehoe and a'a lava. a composite volcano is the poller opposite of a shield volcano. its   peaceful thing and knows how to control its emotions.      

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