2. Ba (s) +
CoBr, (aq) à
BaBr, (aq) +
Co (s)
Given the unbalanced equation above, calculate the moles of cobalt(III) bromide needed to react with
1.796 moles of barium atoms.

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 is d.) potassium

i believe the answer is three water molecules