[6] Calculate the percent change of pH for the buffer using the formula below. Percent Change of pH = 100% x ( pH at 5 drops - pH at 0 drops ) / ( pH at 0 drops )

in cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. a contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.

explanation:

the answer is 1 i believe

what is the question here. i think you messed up.