How to make Sodium Acetate?

 This article will show you how to make sodium acetate (also known as sodium ethanoate), the sodium salt of acetic acid, using no lab equipment whatsoever. Sodium acetate can be used in the "hot ice" reaction and can also be made into a hot pack or cold pack.

Materials

• White distilled vinegar (Dilute 5% Acetic Acid, C2H4O2+H2O)
• Baking soda (Sodium Bicarbonate, NaHCO3)
• Measuring cup
• Tablespoon
• Large bowl
• Gram scale (optional)
• Spoon
• Small saucepan
• Large dish (Preferably Pyrex baking dish)
• Lamp
• Razor
• Airtight container
• Safety goggles

Steps

1. Add 2 cups (preferably 500ml) of vinegar to a large bowl.
2. Slowly add 2 leveled tablespoons (preferably 35g) of baking soda to the bowl, keep the fizzing under control and keep stirring.
3. When you are finished, you are left with a solution of sodium acetate, water, dissolved carbon dioxide, and probably a little left over vinegar. The excess vinegar won't harm the process.
4. Put the solution in the saucepan and boil it down. When it gets down real low, turn the heat down just enough to give it a gentle boil.
5. Now watch the surface carefully. When a crust starts to form on the top of the liquid or a white solid begins appear, quickly take the pan off heat and swirl/stir it to redissolve the solid. If it doesn't dissolve, add just enough water to do so.
6. Pour the mixture into a large dish and let it sit undisturbed for about a half hour. Large glass-like crystals should form in the dish. If not, you probably made a mistake and need to start over.
7. Pour off any excess water and let the crystals dry (preferably under a lamp, I wouldn't use the stove or oven for this.)
8. Scrape up the crystals with a razor and store in an air-tight container.

Chemical reaction

NaHCO3 + CH3COOH ---> CH3COONa + CO2 + H2O

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