Chemistry, 02.10.2020 23:01 heastonk9136
Suppose that a new element (E) were discovered that existed as 3 naturally occurring isotopes. 25.0% of the atoms had a mass of 278amu, 38.0% had a mass of 281 amu, and the remainder had a mass of 285amu. What would its atomic mass be?
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Read "who built the pyramids? ”. leave this link open while you answer the questions throughout the assignment. give at least two reasons why some people claim the pyramids of giza were constructed by aliens.
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Is it safe to take 450mg of diphenhydramine hydrochloride?
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Each step in the following process has a yield of 70% ch4 + 4cl2 yield ccl4 +4hcl ccl4 + 2hf yield ccl2f2 + 2hcl of 4.50 mole ch4 reacts what is the total amount of hcl produced
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Suppose that a new element (E) were discovered that existed as 3 naturally occurring isotopes. 25.0%...
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