Mrs. Franklin's class mixed vinegar and baking soda. They observed a bubbling chemical reaction. They weighed the materials before they mixed them and after each reaction. The table shows the data collected.
The class noticed the weight after the reaction was less than the combined weights before mixing them.
Which is the ,begin emphasis,best,end emphasis, explanation for the difference in weight?
A.
Some of the vinegar evaporated during the reaction.
B.
There was an error made when weighing the mixture.
C.
There was a gas given off during the reaction that was not weighed.
D.
When a solid and a liquid are mixed, some of the matter is dissolved.
1 answer
C. There was a gas given off during the reaction that was not weighed.
1 answer