7. you wish to prepare 250 cm of potassium carbonate solution of concentration 0.8 moi the laboratory. Determine the mass of potassium carbonate required.​

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 link still does not work even when adding it to the url bar

explanation:

thats how its supposed to be