Answer:
The numbers of moles in 20.0g of NaOH:
n= = = (moles)
Oxygen is an element, symbol O
Magnesium oxide is an ionic compound, formula MgO
Answer:
is considered a chronic disease
Answer:
a structural formula
Explanation:
A structural formula simply shows the arrangement of atoms on a compound or molecule.
They are mostly used in representing hydrocarbons.
Through a structural formula we can give name to a compound.
For example, the compound given is called Propane, an aliphatic hydrocarbon with 3-carbon atoms.
The bond relationship connecting the species are also shown in this designation.