What's the punchline to this chemist's joke at the bar?

  • Thread starter MrBrandonius
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  • #1
MrBrandonius
Two new members walk into a bar. The first tells the bartender "I'll have an H20." , than the second one says " I'll have an H20 too.". I was the only one to make it to the forums, the bartender must have been a chemist...
 
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  • #2
Welcome to PF!
 
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