Simple experiment A foaming volcano from baking soda and vinegar

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This experiment is not included i the MEL Chemistry subscription–we just love to show you the beauty of chemistry • For cool and safe experiments to do at home sign up to MEL Science here: http://bit.ly/2IlUF4f • This is the safest ac­tive vol­cano in ex­is­tence. • Reagents and equip­ment: • plas­ticine; • bak­ing soda (10 g); • red food col­or­ing; • liq­uid soap (10 ml); • 9% so­lu­tion of acetic acid (100ml); • spoon. • Step-by-step in­struc­tions • Make a vol­cano with plas­ticine and pour bak­ing soda into the “crater”. Then add a few drops of food col­or­ing and liq­uid soap. Stir thor­ough­ly. Then add acetic acid to the mix­ture. Watch the vol­cano erupt! • Pro­cess­es de­scrip­tion • Bak­ing soda is sodi­um bi­car­bon­ate. It re­acts with acetic acid with the re­lease of car­bon diox­ide. The gas makes the liq­uid soap froth, and the vol­cano erupts! • NaH­CO₃ + CH₃­COOH = CH₃­COONa + CO₂ + H₂O

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