Answer:
6.34917360^25g
Explanation:
It's been a while since I've done this type of problem so I'm not making any promises that its right hahaha, but I hope it helps anyway. Please let me know whether I'm right or not!
<em>Well, Your best answer will be is 2H+ + 2OH- -> 2H2O but you have to reduce it to H+ + OH- -> H2O. </em><em>Good Luck!</em>
HBr>H2S>H2Se>BH3 so basically
1. HBr
2. H2S
3. H2Se
4. BH3