What we need to know.

1. if sodium carbonate with vinegar will blow up and cause an explosion or it is safe.

2. Why vinegar and sodium bicarbonate reacts with each other.

3. Hypothesis:The amount of sodium bicarbonate will affect the number of bubbles produced when reacting with vinegar.

4. if more or less bubbles are produced when there is more sodium bicarbonate.

5. if we close the mixture in an airtight container,carbon dioxide will not escape an will keep on reacting with the vinegar.