CH3COOH + NaHCO3 NaCH3COO + CO2 + H2O

CH3COOH + NaHCO3 NaCH3COO + CO2 + H2Oacetic acid sodium

hydrogen carbonate

sodium acetate

carbon dioxide

water

OO O

H H

O

CH3COOH + NaHCO3 NaCH3COO + CO2 + H2O

C

C

HH

OH

COOH

C

C

HH

O

H

Na

C O

OH

Na

OO

H

CH3COOH + NaHCO3 NaCH3COO + CO2 + H2O

C

C

HH

OH

COOHNa

Measure exactly 35 mL of vinegar in the graduated cylinder.

35

Pour the vinegar into the baggie.

Mass the soufflé cup.

Add 3.5g of baking soda into the soufflé cup.

3.5 g3.5 g

Pour the baking soda into the baggie. Quickly close the bag.

When you dump the baking soda into the vinegar . . .

The chemicals react to form bubbles of carbon dioxide

Be careful to close the baggie quickly or your CO₂ will escape

CO2CO2CO2

Are you ready to begin your experiment?

CO2CO2CO2