B. What useful functions do oxidation numbers

Chemistry

1 answer:

disa [49]3 years ago

7 0

Explanation:

b. What useful functions do oxidation numbers serve?

It is used to show oxidation and reduction (loss and gain of electrons)

b. How many molecules are in 1 mole of molecules?

1 mole = 6.022 * 10^23 molecules

c. What is the name given to the number of molecules in 1 mole?

Avogadro's Number of molecules

21. a. What is the molar mass of an element?

This is the mass of an element divided by the number of moles.

Molar mass = Mass / Number of moles

b. Write the molar mass rounded to two decimal places of carbon, neon, iron and uranium.

amu = Atomic Mass Unit

Carbon = 12.01 amu

Neon = 20.18 amu

Iron = 55.85 amu

Uranium = 238.03 amu

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