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Chemistry, 23.12.2019 14:31, alexisscalera7
Which properties do not change the composition of a substance
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Answers: 1
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Chemistry, 21.06.2019 17:10, shafferakr6
There are 6.022 x 10^23 atoms of hg in 1 mole of hg. the number of atoms in 4.5 moles of hg can be found by multiplying 4.5 by 6.022 x 10^23 a. 2.7 x 10^24 b. 27 x 10^23 c. 2.71 x10^24 d. 27.099 x 10^23
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Chemistry, 22.06.2019 03:50, Pizzapegasus1
Express the following number in scientific notation. 0.026890 =
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Which properties do not change the composition of a substance...
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