In this experiment, one of the mixtures you made included calcium ion solution and sodium carbonate solution. Explain what happened to the calcium ions, sodium ions, and carbonate ions in this mixture as the chemical reaction occurred.

the increase of protons   hope this

the answer to this question is 3.

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 : )