Estimating the percentage( w/w) of a component in a solution, the type of analysis is: * Qualitative analysis
Volumetric analysis
Gravimetric analysis​

- aluminum and copper chloride.

- the chloride ion to separate the aluminum from the oxygen so that the aluminum can react with the copper ions (and the water molecules).

atomic number of carbon is 6

electronic configuration of carbon is 1s²2s²2p²

orbital diagram of carbon is as shown here in the image.

the volume increases