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Ede4ka [16]
2 years ago
12

Describe the range of em radiation

Chemistry
1 answer:
natima [27]2 years ago
3 0
The range for em radiation should be a range of 50 yards hope this help's. <span />
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3 years ago
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What is amu of 99 % H-1, .2% H-1 and .8% H-3
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The average atomic mass of your mixture is 1.03 u .

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We multiply the atomic mass of each isotope by a number representing its relative importance (i.e., its % abundance).  

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2 years ago
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