Chemistry, 20.07.2019 12:00 raytaygirl
Acertain element x has four isotopes. 94.93% of x has a mass of 31.97207 amu . 0.7640% of x has a mass of 32.97146 amu . 4.290% of x has a mass of 33.96786 amu . 1.600×10−2% of x has a mass of 35.96709 amu . what is the average atomic mass of element x ?
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Chemistry, 21.06.2019 12:40, vanessa23272
How can you increase the ability of a gas to dissolve in a liquids?
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Chemistry, 21.06.2019 18:30, ciarakelly636owuiup
Asample of the male sex hormone testosterone, c19h28o2, contains 3.88×10^21 atoms of hydrogen.(a) how many atoms of carbon does it contain? (b) how many molecules of testosterone does it contain? (c) how many moles of testosterone does it contain? (d) what is the mass of this sample in grams?
Answers: 1
Acertain element x has four isotopes. 94.93% of x has a mass of 31.97207 amu . 0.7640% of x has a ma...
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