What mass of natural gas

  1. Bromine has two natural occurring isotopes (Br-79 and Br-81) and has an atomic mass of 79.904 amu. The mass of Br-81 is 80.9163
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    2. Davis asked by Davis
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  2. Silicon has three naturally occurring isotopes: Si-28 with mass 27.9769 amu and a natural abundance of 92.21%, Si-29 with mass
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    2. NEED HELP asked by NEED HELP
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  3. Magnesium has three naturally occurring isotopes: Mg-24 with mass 24.3050 amu and a natural abundance of 78.99 %, Mg-25 with
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    2. Luis asked by Luis
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  4. (b) If the natural abundance of Ag-107 is 51.84%, what is the natural abundance of Ag-109?48.16 % (c) If the mass of Ag-107 is
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    2. lisa asked by lisa
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  5. Silver has two naturally occurring isotopes (Ag-107 and Ag-109).(a) Use the periodic table to find the atomic mass of silver.
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  6. The atomic mass of Eu is 151.96. There are only two naturally occurring isotopes of europium, 151Eu with a mass of 151.0 and
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    2. Kumar asked by Kumar
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  7. Natural rubidium has an average mass of 85.4678 amu and is composed of isotopes85Rb (mass = 84.9117 amu) and 87Rb. The ratio of
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    2. Gil asked by Gil
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  8. Scientists believe t h e s i x t h great Mass extinction is being caused by. A human action B p o l l u t a n t s from natural p
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  9. (b) If the natural abundance of Ag-107 is 51.84%, what is the natural abundance of Ag-109?% (c) If the mass of Ag-107 is
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    2. Rebekah asked by Rebekah
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  10. Calculate the atomic mass of silicon given the mass and natural occurrence of each isotope. Round your answer to the hundredths
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