How does Archbishop Usshers work compare to that of James Hutton? What did each do to back up their ideas?

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

Does the number of ions in solution increase, decrease, or remain constant? it continuously decreases. it continuously increases. it decreases at first, then increases. it increases at first, then decreases.

Calculate the ph of a .10m nh4cl solution. the kb value for nh3 is 1.8×10^-5