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A naturally occuring sample of copper consists of 69.2% of

A naturally occuring sample of copper consists of 69.2% of Cu63 and 30.8% of Cu65.The relative atomic mass of Cu63 is 62.93 and
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Q: the average atomic mass of naturally occurring rhenium is 186.21 amu. There are two common isotopes of naturally occuring
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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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This Chem problem is really difficult -Need help please!Magnesium Consists of three naturally occuring isotopes. The percent
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What is the relative atomic mass of naturally occuring copper to four decimal places when you are given 69,09% of copper-63 with
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Carminic acid,a naturally occuring red pigment extracted from the cochineal insect, contains only C,H,and O. It was commonly
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naturally occuring chlorine is composed of 35CL with atomic mass of 34.969 37CL with atomic mass of 36.966 the average atomic
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what are two examples of these four types of systems?Physical systems designed by people Naturally occuring physical systems
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1) How many miles are covered in a 15km race? (1 mile=5280, 12 in=1 ft, 1in=2.54cm)I know that I have to convert but I do not
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2. asked by Hannah
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Naturally occurring copper contains a mixture of 69.09% copper-63 (63.9298 amu) and 30.91% copper-65 (64.9278 amu). What is the
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2. asked by ashley
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