4-mpp=1,687 mol, HBr=1,69 mol, H2O2=1,262 mol, maximum yield can be 1,262 mol 2b4m or 286 gr, in video 360 gr (1,262 mol 2b4m+0,425 mol mpp)
H2O2+2HBr=2H2O+Br2
Br2+MPP=HBr+2BM4
its mean need 1 eq H2O2 to 1 eq MPP and 1 eq HBr, but in video use more lees H2O2