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kaheart [24]
3 years ago
6

I DESPERATELY NEED HELP WITH PERCENT AND THEORETICAL YIELD

Chemistry
1 answer:
max2010maxim [7]3 years ago
8 0
Percent is taking the percent over 100 and then next to that out the part over black or VI's versa. Then simplify until you can multiply a number to get to that number and you'll have your missing part
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Plutonium−239 (t1/2 = 2.41 × 104 yr) represents a serious nuclear waste hazard. if seven half-lives are required to reach a tole
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The half-life of Plutonium−239, t1/2 is 2.41 × 10⁴<span> yrs

time taken to reach tolerable level = seven half-lives
                                                      = 7 x t1/2
                                                      = 7 x </span>2.41 × 10⁴ yrs
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Hence, the period of time that <span>Plutonium-239 must be stored is </span>1.687 x 10⁵ years.
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