In order to work as intended, pickling/canning salt, or something very similar, must be used (non-iodized table salt may work), and yes, 2 ounces of Cure#1 cures 50 pounds of meat.
My cure mix is used at a rate of 1 tablespoon (1/2 ounce) of cure mix per pound of whole cuts.
17.5 ounces salt +...