The addition of NH 4 Cl to a solution of ammonia shows the effect of adding a common ion to a system at equilibrium.

Researchers have confirmed that mammalian BK ion channels regulate themselves using a “ball-and-chain” mechanism. A recent ...

The addition of NH4Cl to a solution of ammonia shows the effect of adding a common ion to a system at equilibrium. Add water to each of two beakers. Add 2 drops of phenolphthalein to each. Add a few ...

The table shows the flame test colours for five common metal ions. The same colours are obtained whether the test compound is in the solid state or dissolved in water.