1. (10 Points) Assume the element Uus has been synthesized and that the following information is known about it. What is the atomic weight of element Uus? 2a. (10 Points) The compound norepinephrine contains 56.79% C, 6.56% H, 28.37% O and 8.28% N by mass. What is norepinephrines empirical formula? B. (5 Points) If the true molecular weight of norepinephrine is 169.18 g/mole, what is its molecular formula?
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