you want to prepare a solution with a concentration of 200.0 μm from a stock solution with a concentration of 500.0 mm . at your disposal you have 5-ml and 10-ml transfer pipettes and volumetric flasks of sizes 100 , 250 , 500 , and 1000 ml . which of the following serial dilutions will give you the 200.0 μm solution?

Idon't get it either

With any turning vehicle, the rear wheels follow a shorter path than the front wheels. the longer the vehicle is, the greater the difference will be. truck drivers initially swing out before making a turn. what isn't shown in this illustration is as car straightens out, the front wheels must travel a greater distance and the tail end drags on the shortest path.