At STP 3.00 liters of an unknown gas has a mass of 9.50 grams. Calculate its molar mass.

Identify two types of chemical bonding in the source of dietary potassium

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

Heat energy, carbon dioxide, and water are released through which process? a. photosynthesis b. depolymerization c. digestion d. cellular respiration