10 seconds = 8grams
then just divide by 2 another 4 times...
= 0.5grams after 50 seconds
When baking soda is mixed with vinegar, something new is formed. The mixture quickly foams up with carbon dioxide gas. If enough vinegar is used, all of the baking soda can be made to react and disappear into the vinegar solution.
The correct answer is C) A substance changes color when heated, but changes back when cooled. Hope this helps.
