Hard water can be softened by adding sodium carbonate (washing soda) or by passing the water through an ion-exchange column. Sodium carbonate, Na 2 CO 3, is also known as washing soda. It can ...

Make sure you and your students wear properly fitting safety goggles. Do not handle solid sodium carbonate with bare hands. Sodium carbonate may cause skin and serious eye irritation. Sodium carbonate ...

In a 1932 Times story headlined "Chemistry Teacher Finds Boon to Motherhood," Grote said scientists had known since 1902 that ...

Muentener explains in this chemical formula, there’s half the sodium of sodium carbonate (washing soda), which means baking soda and washing soda are chemically quite similar. Actually ...

The appearance of the century egg might put some first-timers off. The yolk has a creamy consistency and is dark green in ...

Thermal decomposition reactions are common in everyday life. For example, sodium hydrogen carbonate, also called baking soda, thermally decomposes when you bake muffins. The gas produced in this ...

Most people are familiar with sodium chloride (commonly known as salt) as a kitchen ingredient, but it also has important medical uses. Sodium chloride (NaCl), also known as salt, is an essential ...

This basic formula was key to premodern soaps in ancient ... Clay tablets indicate that the Sumerians used water and sodium ...

Scientists are studying the chemical composition of modern limestones and how water interacts with them to help understand the development of porosity in ancient carbonate builds-up through time. The ...