The following pictures represent solutions at various points in the titration of a weak acid HA with aqueous NaOHNaOH. (Na+Na+ ions and solvent water molecules have been omitted for clarity.) Which picture corresponds to each of the following points in the titration? (a) Before the addition of any NaOHNaOH (b) Before the equivalence point (c) At the equivalence point (d) After the equivalence point

indicate valleys, hills, steepness and gentleness of slopes.

explanation:

contour lines on a map indicate elevation, or depth. numeric notations on contour lines refer to the level of elevation, or height about sea level.

sorry i was late, but i don't know what assignment your talking about, i'm in flvs as well, im in earth space science. but u are behind pace bc every class should be in the 3's or 4'