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Answer to Question #30473 in Inorganic Chemistry for sonya

Question #30473
Determine the representative particles in each substance?
A.) 4.45 mol of C6H12O6
B.) 0.250 mol of KNO3
C.) 2.24 mol of H2
D.) 9.56 mol of Zn
Expert's answer
A representative particle is the smallest unit of a substance that can be broken down without altering the composition. There are three types of particles: molecules, structural units(like ions) and atoms. If we have covalent bonded substance - representative particle will be molecule. When we have some chemical element - this particle is atom. When we have ionic compound - representative particles are ions.
A.) molecules of glucose
B.) ions K+ and NO3-
C.) molecules of H2
D.) atoms of Zn

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