100s Rule to Solve for Equilibrium Concentrations (2).pdf

# 100s Rule to Solve for Equilibrium Concentrations (2).pdf -...

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Unformatted text preview: Solving for Equilibrium ConcenTr'aTions Using 100 Rule AssumpTion If The value of K is very small, we use The 100 Rule To assume ThaT x is very small. 100 Rule: If [ ];,.ma./Keq > 100, x can omiTTed since iT's negligible. Ex. NiTrosyl chloride, NOCIG), decomposes To form niTrogen monoxide, NO (9), and chlorine gas, 02(9), according To The following equaTion: ZNOClG‘) : 2N0(g) + 02(9) K = 1.6 X 10-5 CalculaTe The concenTraTion of all enTiTies aT equilibrium if 0.80 mol of NOCl(g) is placed '"°2°°'-C°"*°'"e" lY\l‘l'\ allij Cf= n =0 ?Oh~sl V 2L. 2mm 2? ANN d7. ”HM/L I 0L} 0 O c -;l)< +ZL>< -l~>< EO-Hvav 2.x X K I END—l7" Cd; [Noci‘yb Aside: . D l-éWD‘S: 1 I Piano {ax} (XX I4 [DH ~2X37‘ [a 'X cah lot fé/ DMH-l/eal ‘FYDM (-(owb‘s: (3% dchbmmqlzr (M37— l-bx lb”5 : le3 OT LlX’é :1 :2 SéXIOVL zmz‘lzﬁ ng,eluazzqéxlo‘3 C023 :x':g.cxio'3mt /L LNG] : 2x : 0.511 mol/L moan =0-H~2x=o-3z mat/L ...
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