9. Now we know how much vinegar and baking soda we need to add to our air bag to inflate it. Now measure out the components, add them to the bag, and quickly seal the bag. Note: It is advised to add the solid NaHCO3 to side of the bag, and the vinegar to the other side. Pressing the bag onto a surface to divide the bag into 2 valleys can assist in helping get the ingredients into the bag without them reacting. The moment the 2 touch, they will react. The picture may be of some use. I Resealable Bag sodium bicarbohate Vinegar container edge