How many molecules are in 0.25 grams of dinitrogen pentoxide?

Explanation: Moles can be calculated by using the formula:

1 mole of contains =

0.002 mole of contains =

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

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