Despite Dalton’s laws, it is now known that many ioniccompounds do not always contain atoms in small integer ratios.For example, a sample of iron(II) oxide may, in fact, contain asignificant amount of Fe3+ in addition to Fe2+. This is an exampleof a nonstoichiometric compound. A sample of iron(II) oxide isfound to be 75.65% iron by mass. Determine the percentage ofFe3+ ions in the sample
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
Despite Dalton’s laws, it is now known that many ionic
compounds do not always contain atoms in small integer ratios.
For example, a sample of iron(II) oxide may, in fact, contain a
significant amount of Fe3+ in addition to Fe2+. This is an example
of a nonstoichiometric compound. A sample of iron(II) oxide is
found to be 75.65% iron by mass. Determine the percentage of
Fe3+ ions in the sample
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