Chemistry, 29.10.2020 19:10 juniorlb01
Analysis of an unknown element by mass spectrometry determines that 59.0% of the sample has an atomic mass of 79.0 amu, while the remainder has a mass of 81.0 amu. What is the average atomic mass of this unknown substance?
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The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n
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Match the formula for the following compound: magnesium sulfate heptahydratemgs·7h2omg2so4·7h2omg(so4)2·7h2omgso4·7h2o
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Analysis of an unknown element by mass spectrometry determines that 59.0% of the sample has an atomi...
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