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63.54 am Submit My Answers Give Up Correct significant Figures Feedback: Your answer 63.543925 amu was either rounded differently or used ac t B The astronaut then measures the abundance of magnesium on the new planet, obtaining the follwing results Abundance Mass isotope! (%) lants) Mg 78.99 23.99 Mg 10.00 24.99 Mg 11.01 25.98 What is the atomic mass of magnesium for this planet? Express your anewer to two decimal places, and Include the appropriate units. Hinte 27.439719 amu Incorrect: Try Again: 5 attempts remaining
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