Chemical Formulas

Percent Abundance of Isotopes


<div class="wp-block-create-block-problemblock">Stupidium is a fictional element with 2 isotopes, ##^35##St with a mass of 34.9567 g/mol, and ##^39##St with a mass of 39.0095 g/mol.  The molar mass of St is 35.9826 g/mol.  What are the percent abundances of the isotopes?</div>


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