Chemistry, 19.09.2019 16:30 xxaurorabluexx
Copper has two naturally occurring isotopes, 63cu (isotopic mass 62.9296 amu) and 65cu (isotopic mass 64.9278 amu). if copper has an atomic mass of 63.546 amu, what is the percent abundance of each isotope? report your answer to 5 significant figures.
Answers: 1
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Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.
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Chemistry, 22.06.2019 15:00
Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. p k a1 p k a2 1.30 6.70 calculate the ph for each of the points in the titration of 50.0 ml of 1.5 m h3po3(aq) 1.5 m h 3 po 3 ( aq ) with 1.5 m koh(aq). 1.5 m koh ( aq ) .
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Copper has two naturally occurring isotopes, 63cu (isotopic mass 62.9296 amu) and 65cu (isotopic mas...
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