St. Francis day

Had over an HOUR mass today but also an 80 minute AP class which was great for doing multi-problems....
got caught up in a descriptive chem set though with Ba2+ + HSO4- yielding the precip....went into le chat explanation....
did partial pressure....bulb problems...with limiting reactant....
tomorrow must do gas over water problems...and possibly cannizzaro.....

In Honors, made it through FOUR atomic mass to % abundance and vice versa problems...

wrote up atomic concepts test for tomorrow...

big teaching tip: DRAW the gram to mole to atom calculations!!! use boxes!