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isotope 24 Mg 25 Mg 26Mg mass (amu) percent abundance 23.985042 78.99% 24.985837 10.00% 25.982593 11.01% What is the value: atomic massx fractional abundance

isotope 24 Mg 25 Mg 26Mg mass (amu) percent abundance 23.985042 78.99% 24.985837 10.00% 25.982593 11.01% What is the value: atomic massx fractional abundance for 26Mg? For now, report your answer to three decimal places. Mass contribution of 24Mg = 18.946 amu Mass contribution of 25Mg = 2.499 amu amu ass of mag t ot pt pt pt pt 1 pt isotope mass (amu) percent abundance 24 Mg 78.99% 25 Mg 26Mg 23.985042 24.985837 25.982593 10.00% 11.01% What is the sum of these contributions? Report your answer to two decimal places. Mass contribution of 24Mg = 18.946 amu Mass contribution of 25 Mg = 2.499 amu Mass contribution of 26Mg = 2.861 amu

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