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calculate 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
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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~
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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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The element copper has naturally occuring isotopes with mass numbers of 63 and 65. The relative abundance atomic masses are
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2. asked by henry
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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
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Calculate the number of H2O molecules in a human body of mass 50.6 kg. Assume that, on average, water makes up 62% of the mass
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2. asked by kira
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Calculate the number of H2O molecules in a human body of mass 66.5 kg. Assume that, on average, water makes up 62% of the mass
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2. asked by opp
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Calculate the number of H2O molecules in a human body of mass 65.9 kg. Assume that, on average, water makes up 62% of the mass
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2. asked by Steve
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Copper has 2 known isotopes: ^63CU atomic mass= 62.9298 and ^65 CU atomic mass=64.9278. The average atomic mass of copper is
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2. asked by help
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QuestionCalculate the average atomic mass of a sample of a mixture of argon (Ar). The mixture is 90% argon-36 and 10% argon-38.
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