⦁ Given the following pH values, determine the [OH-] and [H3O+] of each solution

⦁ pH = 7.00

⦁ pH = 4.00

⦁ pH = 12.0

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 : )

the answer your looking for is c).