Verified answer

It depends on the particular flask. Each one will weigh a different amount in general.

According to the link I provided below, it weighs 0.25 lbs.

I used one of these in a lab today and would estimate approximately 94.12 grams. hope this helps :)

95.114g

I'm actually in my lab waiting on an assay, so I weighed one.

I hope this helps!

Do your own hw idiot