Exhale air through a straw into the beaker containing bromothymol blue and water….

Exhale air through a straw into the beaker containing bromothymol blue and water. Continue exhaling until you observe a color change.
a. What is the color of the solution after you exhale into it?
b. What is the pH of the solution after you exhale into it?
c. What changes occur as a result of your exhaling into the solution?
d. What is responsible for the change? In your explanation, complete the following formula: CO, + H,O