See Periodic Table See Hint A chemist has a 400.0 ml solution of sodium bisphosphate with a concentration of 1.00 M. The diluted concentration should
be 0.2500 M. What is the final volume of this solution?
ml

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 : )