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Question - What is the empirical formula of a substance that contains 2.64 g of C, 0.887 g of H, and 3.52 g of O?
Give your respond in scientific notation please provide detail solution for good grades
Rubidium has two common isotopes, 85Rb and 87Rb. If the abundance of 85Rb is 72.2% and the abundance of 87Rb is 27.8%, what is the average atomic mass of rubidium.
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