A water softener reduces the dissolved calcium, magnesium, and to some degree manganese and ferrous iron ion concentration in ...

Carbon dioxide reacts with water to produce carbonic acid. The double arrow means that carbonic acid breaks down pretty readily to form carbon dioxide and water again. A hydrogen atom from the ...

The potassium carbonate dissolves in the water, along with some other salts ... defined as a process in which atoms, molecules, or ions gain electrons.) We obtained aluminum powder by filing ...

Much of this sudden influx of atmospheric CO₂ came from the Southern Ocean around Antarctica, highlighting the key role this ...

Unlike the other tests described on this page, the test for carbonate ions works whatever acid is added. Explain why, in a test for sulfate ions, the sample is acidified with hydrochloric acid first.