2.6Other Types of Equations

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Chemistry that uses this algebra — the answer to why you are learning it.

Needs8.4Effusion and Diffusion of Gases
Both the 'Effusion Time' and 'Determining Molar Mass' examples require solving an equation with the unknown trapped under a square root — squaring both sides of 1.66/1 = √44.0/√M to solve for M is exactly the radical-equation technique, and skipping the squaring step (or squaring only one side) is the standard place this goes wrong.