Why the formula mass for an ionic compound may not correctly be referred to as a molecular mass.

a  solution  is always transparent, light passes through with no scattering from solute particles which are molecule in size. the  solution  is homogeneous and does not settle out. a colloid is intermediate between asolution  and a  suspension. while asuspension  will separate out a colloid will not.

the ratio of the conjugate base to the acid required to attain the desired ph.

shield volcanos are angry and get mad over the smallest things so much that there heads erupt   pahoehoe and a'a lava. a composite volcano is the poller opposite of a shield volcano. its   peaceful thing and knows how to control its emotions.      

the answer is a! (2.9 x 10^-18 j) hope i could someone. : )