5% rule - CHEMISTRY COMMUNITY
https://lavelle.chem.ucla.edu/forum/viewtopic.php?t=4035813.01.2020 · The five percent rule allows you to get out of using the quadratic formula when doing ice tables. Be sure to check if the x value you get is smaller than 5% of the initial value to get out of using the quadratic formula Top 13 posts • Page 1 of 1 Return to “Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions”
5% rule - CHEMISTRY COMMUNITY
lavelle.chem.ucla.edu › forum › viewtopicJan 18, 2019 · The 5% rule is checked after we complete an ICE table to find the equilibrium expressions for each species in the reaction, and applied only to expressions that add or subtract x; if the proportion of the (initial condition-x)/ (initial condition) is <= 0.05, then it is safe to apply the rule.