Pyridine (C5H5N) Molar Mass (With Calculations)

Molar mass of Pyridine (C5H5N) is 79.102 g/mol.

Well, now you have come to know the molar mass of Pyridine.

But how can you get this value?

Let me show you the calculation to get the molar mass of Pyridine (C5H5N).

You can also refer to this one minute video which will show you the simple steps to calculate the molar mass of any compounds.

Pyridine (C5H5N) Molar Mass Calculation

If you have a periodic table with you, then you can easily calculate the molar mass of Pyridine (C5H5N).

Because the molar mass of any molecule (or compound) can be calculated by simply adding the molar masses of individual atoms.

Now here we have to find the molar mass of Pyridine (C5H5N).

So for that, have a look at the periodic table given below.

You can see the molar mass value of all the atoms from this periodic table.

Now in Pyridine (C5H5N), there are 5 Carbon atoms, 5 Hydrogen atoms and 1 Nitrogen atom.

So let’s look at the molar mass of Carbon, Hydrogen and Nitrogen from the above periodic table.

You can see that;

The molar mass of Carbon is 12.011 g/mol. ^[1]

The molar mass of Hydrogen is 1.008 g/mol. ^[2]

The molar mass of Nitrogen is 14.007 g/mol. ^[3]

Now, to calculate the molar mass of Pyridine, you just have to add the molar mass of all the individual atoms that are present in Pyridine.

You can see that in Pyridine (C5H5N), there are 5 Carbon atoms, 5 Hydrogen atoms and 1 Nitrogen atom.

So, Molar mass of Pyridine (C5H5N) = Molar mass of 5 Carbon (C) atoms + Molar mass of 5 Hydrogen (H) atoms + Molar mass of 1 Nitrogen (N) atom.
= (12.011) 5 + (1.008) 5 + (14.007)
= 60.055 + 5.04 + 14.007
= 79.102 g/mol

Hence the Molar mass of Pyridine (C5H5N) is 79.102 g/mol.

I hope you have understood the short and simple calculation for finding the molar mass of Pyridine.

Remember

• In some books, you may see the unit of molar mass as grams/mole or g/mole. But all these units (i.e g/mol, grams/mole and g/mole) are the same. 
• Always follow the calculation order to avoid any mistakes in calculation. First solve the brackets, then multiplications and at last do the final addition.
• And don’t forget to put the unit g/mol to your final calculated molar mass.

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