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09.12.2021 •
Chemistry
15) 5 grams of sodium bicarbonate, a white powdery solid, is placed in an empty red balloon. 100 grams of acetic acid, a clear aqueous solution, is placed in the plastic bottle. The balloon is carefully attached to the bottle so that no air can get in or out and the powder does not fall into the bottle. Once attached, the apparatus is placed on a balance and the contents are mixed. Bubbles form, the balloon inflates, and the white powder is no longer visible. Which of the these statements would match your observations?
A) A chemical reaction has occurred and the mass will increase.
B) A chemical reaction has occurred and the mass will decrease.
C) A physical reaction has occurred and the mass will decrease.
D) A chemical reaction has occurred and the mass will remain the same.
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