Fei3 + naoh -> fe(oh)3 + the equation.

Using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 pb+2(aq) + 2cl -(aq). if the value of ksp was determined to be only 1.2 x 10-2: too much solid has dissolved. additional precipitate is forming. the solution is unsaturated. the ions are now combining to reduce their concentrations.

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?

An observation that requires measurement is called quantitative observable or qualitative