A simple demonstration of how a precipitate is evidence of a chemical reaction taking place is performed by mixing solutions of calcium chloride and sodium carbonate to form the precipitate calcium ...

Add Calcium Chloride/Citric Acid solution to mixer and stir. Add Sodium Carbonate solution and start a timer. Mix for 1 minute, then pour into a separate container.

Divide calcium chloride solution among 30 labeled cups. Divide sodium alginate solution among 30 labeled cups. Provide each student with a calcium chloride cup, a sodium alginate cup, a syringe, a ...

The atoms in the reactants are: 1 calcium atom, 2 chlorine atoms, 2 sodium atoms, 2 hydrogen atoms, 2 carbon atoms, and 6 oxygen atoms The atoms in the products are: 1 calcium atom, 2 chlorine atoms, ...

Sodium carbonate, Na 2 CO 3 ... The resin needs recharging with dishwasher salt (sodium chloride) once it becomes full of calcium ions.

When zinc reacts with hydrochloric acid it produces zinc chloride and hydrogen gas ... Similarly, when calcium carbonate reacts with dilute hydrochloric acid, it produces carbon dioxide gas.