Chemistry, 10.10.2019 05:00 kaylag8242p2qj2e
Acertain element exists as two different isotopes. 65.0% of its atoms have a mass of 24 amu and 35.0% of its atoms have a mass of 26 amu. what is the average atomic mass of this element?
amu
Answers: 1
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Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.
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Which sample at stp has the same number of atoms as 18 liters of ne at stp
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Acertain element exists as two different isotopes. 65.0% of its atoms have a mass of 24 amu and 35.0...
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