Test B2 - S o(12 Hydrocarbons A and 13 both possess a...

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Unformatted text preview: S o. (12%) Hydrocarbons A and 13 both possess a significant dipole, ovoo' though each is composed only of C-C and C-H bonds. Use monanoe stmctmos to illustrate why the dipole axim in each compomd. For each compound indicate the direction of the dipole and which ring is me cledron rich. 9*”: 1.! B b) u e "f. (7%) Ergosterol, a pmcmsor of vitamin D, has 1.... - 282 nm and molar absorptivity a = 11,900. What is the concentntion of crgostml in a solution whose aboarbancc A = 0.130 with a sample pathlength I = 1.00 cm? A E. "— tack fl : {Ii-EEO C.“ 5x1. isfiaoxmo ergosterol _5-' +[ concentration= ['09 K {D M (+1 Fun. 516.?! i l | | I i I ! | F5; UNITS ; ...
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