can some one help pleasd i

Chemistry
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element q has 3 isolopes the first has a mass of 34.8636 amu and makes up 39.2% of standard sample 2nd isolope has mass of 36.5076 amu  makes up 43%of slandard sample  3rd isolopes has mass 38.1639 amu and makes up  remaindly. what is ave. atomic mas

Jan 15th, 2015

36.157952

Jan 15th, 2015

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Jan 15th, 2015
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Jan 15th, 2015
Dec 10th, 2016
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