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Montano1993 [528]
3 years ago
6

An experiment with high validity is

Chemistry
1 answer:
uysha [10]3 years ago
5 0

Answer:

extraneous variables.

Explanation:

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When an atom of the unstable isotope Na-24 decays, it becomes an atom of Mg-24 because the Na-24 atom spontaneously releases (2) a<span> beta particle</span>.

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what is the percent by mass concentration of a solution that contains 5.30 grams of salt dissolved in 19.7 g of water​
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blondinia [14]

2, 4, 1

Explanation:

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