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It means that the proportions of each element in the compound are always the same. Put another way, the formula is always the same. Water is always H2O because it is made (composed) of two hydrogens to one oxygen. If there are different proportions, then it is a different substance, or doesn't exist. H2O2 is hydrogen peroxide, which is very different from water. Carbon dioxide is always CO2, i.e. one carbon to two oxygens, and if there is only one of each, CO, that's the deadly poison carbon monoxide.
What else can I help you with?
What do you call a material with definite properties and definite chemical composition?
A material with definite properties and definite chemical composition is called a pure substance.
What you mean by nonstoichiometry?
The chemical composition of nonstoichiometric compounds do not respect the law of definite proportions.
Which material has definite properties and definite chemical composition?
Minerals have a definite chemical composition, are solid, are inorganic, are naturally occurring, and have a crystalline structure.
Does fluorite have a definite chemical composition?
Yes, fluorite has a definite chemical composition: it is a calcium fluoride mineral with the chemical formula CaF2.
Does a compound have a definite chemical composition?
Yes
Does hematite have a definite chemical composition?
yes it can
What is a minerals property?
A definite chemical composition
What is the chemical composition of colon?
Colon is an organ not a compound with definite composition.
Does each mineral have a definite chemical composition?
Yes
What is the chemical equation of the law of definite composition?
This law hasn't a chemical equation !
What is a property of minerals?
A definite chemical composition
What is the definition of a definite chemical composition?
Definite chemical composition is when a mineral is made of the same material throughout. Basically when a mineral is only made of one material all the way through, not part iron in one part and then gold in the rest.
