Question: Answer step by step Theme 2 Atoms, Molecules and lons Classic Question 2.1 * Magnesium metal occurs naturally as three isotopes with the following properties:

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Theme 2 Atoms, Molecules and lons Classic Question 2.1 * Magnesium metal occurs naturally as three isotopes with the following properties: m = p + n 2 1 18050 = late Isotope Relative mass Percent natural abundance 24Mg 23.985 u 25 Mg 4X3050 10.00% m = 24, 3050 26Mg 25.983 u 11.01% (a) Calculate the relative atomic mass of a magnesium-25 isotope. Hint: Use information on the periodic table. (b) A sample of pure magnesium has a mass of 234 g. Using the concept of the atomic mass unit, calculate the number of 2Mg atoms in this sample. Hint: Use information from the data page. You may not use Avogadro's number

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