For an experiment you need to prepare 12 liters of a 1.5M NaOH solution. How many grams of NaOH should you weigh out? thanks!​

Enough of a monoprotic weak acid is dissolved in water to produce a 0.0172 m solution. if the ph of the resulting solution is 2.39 at 20 °c, determine the pka for the acid.

Newtons second law deals most cosely with

How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?