How are 0.50 mole and 0.50 molar sodium carbonate different?

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powergirl

How are 0.50 mole sodium carbonate and 0.50 molar sodium carbonate different?
Can anyone tell me the diff:?
 
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because one is a molarity

Molarity = moles / solution ( litres)

So for molarity it would be the 0.5 / 10 litres...

( molarity is the moles divided by the amount of solution...so they are different units)

Hence moles % molar