So, about the weight of a phablet like Galaxy Note 4. That's heavy, but not too heavy to be noticeable in a large flask containing an unknown liquid of unknown

So, about the weight of a phablet like Galaxy Note 4. That's heavy, but not too heavy to be noticeable in a large flask containing an unknown liquid of unknown density. And since the flask survived, the Nazis probably knew not to mess with flasks of unknown chemicals.