Hold the cups up so the students can see them. Slowly add the sodium carbonate solution to the Epsom salt solution. White solid particles will form and deposit as a precipitate. Tell students that a ...

Adjust temperature to 10-20°C (50-70°F). 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 ...

In addition to lithium-ion batteries, the mainstream technology, emerging technologies such as solid-state batteries and sodium-ion batteries are also gaining traction and are expected to reshape the ...