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Q: the average atomic mass

12) Naturally occurring argon is composed of 0.3365% of 36Ar (atomic mass, 35.9675 u), 0.0632% of 38Ar (atomic mass, 37.9627 u),
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2. asked by Luke
3. 1,235 views
Element L has an average atomic mass of 54.2488 amu and is composed of two isotopes. The first has a mass of 55.2036 amu and
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2. asked by Star
3. 727 views
How would I solve this:The atomic mass of 6/3Li and 7/3Li are 6.0151 amu and 7.0160 amu, respectively. Calculate the natural
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2. asked by Amy~
3. 2,139 views
Antimony has two naturally occuring isotopes, 121 Sb and 123 b. 121Sb has an atomic mass of 120.9038 u, and 123 Sb has an atomic
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2. asked by mina
3. 165 views
Antimony has two naturally occuring isotopes, 121 Sb and 123 b. 121Sb has an atomic mass of 120.9038 u, and 123 Sb has an atomic
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2. asked by mina
3. 216 views
The element boron has three naturally occuring isotopes. One has the atomic mass 10.0129(54.4%), another 11.0093(12.75%). What
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2. asked by Anonymous
3. 1,145 views
The element copper, found in nature with an average atomic mass of 63.54u, consists of two isotopes, copper-63 of atomic mass
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2. asked by Laila
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Suppose the atomic mass unit had been defined as 1/10 the average mass of an atom of phosphorus .what would the atomic mass of
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2. asked by Praphul
3. 646 views
Suppose the atomic mass unit had been defined as 1/10 th of the average mass of an atom of phosphorus. What would the atomic
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2. asked by Praphul
3. 648 views
Which if the following has the greatest number of particles4g of lithium (atomic mass of li=7) 4g of chlorine gas (cl2) (atomic
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2. asked by Waqar
3. 964 views