Date

- Thursday, February 9th

Recap – Percent Composition

- homework questions?
- how do we show work?

New Idea – Empirical Formulas

- how do we go from mass percent to formulas?
- what is the poem that describes this?
- examples

Poem

- percent to grams
- grams to moles
- divide by smoles
- multiply ’til whole

Homework

- Ch. 7 (30-ace)

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