Asealed balloon is filled with 2.20 liters of helium gas at 20.0°
c. if the pressure does not...
Answers: 1
Chemistry, 23.06.2019 16:30, jules8022
Boron has an average atomic mass of 10.81. one isotope of boron has a mass of 10.012938 and a relative abundance of 19.80 percent . the other isotope has a relative abundance of 80.20 percent what is the mass of that isotope? report two decimal places
Answers: 1
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