Refer to the example about diatomic gases a and b in the text to do problems 19 - 27.
it was determined that 1 mole of b2 is needed to react with 3 moles of az.
how many grams in one mole of b2? a) 14 b) 28. c) 1

Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m

Salt in oceans comes from and of rocks

Which would freeze at a higher temperature: the great salt lake or lake tahoe? a. lake tahoe would freeze at a higher temperature. b. the great salt lake would freeze at a higher temperature. c. both lakes would freeze at the same temperature.