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tigry1 [53]
3 years ago
13

A flask contains 0.100 mol of liquid bromine, br2. determine the number of bromine molecules present in the flask.

Chemistry
1 answer:
irakobra [83]3 years ago
8 0
Avagadros number is where 1 mol of any substance is made of 6.022 x 10²³ units. These units could be atoms making up an element of molecules making up a compound.
1 mol of Br₂ is made of 6.022 x 10²³ molecules of Br₂
the flask contains 0.100 mol
Therefore if 1 mol has 6.022 x 10²³ molecules of Br₂
then 0.1 mol has - 6.022 x 10²³ molecules/mol x 0.1 mol 
therefore number of molecules - 6.022 x 10²² Br₂ molecules ₂
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