How many mL of a 0.124 M aqueous solution of chromium(II) bromide, CrBr2, must be taken to obtain 5.59 grams of the salt?

In the experiment you asked to react hydrochloric acid and with sodium hydroxide. when measuring the volume of the reactants, which instrument would give the greatest precision.

Under which circumstances are kp and kc equal for the reaction aa(g)+bb(g)⇌cc(g)+dd(g)?

Light waves are as they pass through the