How would you prepare a 100 ppm 1 litre solution of N, using 100% pure Ammonium Sulphate((NH4)2SO4)

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

hope this : )

wher is the rest of the question