Question

You have plenty of salts that are in front of you and you are trying to figure out which salts are soluble in water, and which ones of their products are soluble in water. For the following equation, provide the net ionic equation. KI+ Pb(NO3)2 =

Answer 1

First, we need to find the chemical equation:

`2KI+Pb(NO_3)_2\to PbI_2+2KNO_3`

We can identify that the reactants gives a precipitation reaction which mean that there's a product that doesn't dissolve in water.

The net ionic equation shows only the chemical species involved in the reaction.

You can see it by separating the elements of a compound, like this:

`2K^++2I^-+Pb^(2+)+2N^{}O^(2-)_{^{}3^{}}\to PbI_2+2K^++2NO^(2-)_3^{}`

The NO3 looks the same because it doesn't suffer any change during the reaction, while the other reactants do.