Answer:
I have no idea bro
Explanation:
I feel you
The Metalloids are:
Boron.
Silicon.
773.51495 grams
1 moles KBr to grams = 119.0023 grams
6.5*119.0023 = 773.51495 grams
We might just have to end it together
I tried to answer it now I'm stuck in the same hole -_-