What is the main advantage of the celestial coordinate system over altitude-azimuth coordinates?

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

What atom has the largest atomic radius

Which of the following substances is the most soluble in water? a. sodium chloride b. methane c. bromine d. carbon