Turn off any electronics or any distractions and focus hard
From my understanding all you are doing is converting liters to grams. It says you have one leader of hydrogen peroxide. 1 liter equals 1000 grams. And if it is asking how many grams are in 1 liter hydrogen peroxide then the answer would be 1000 grams
I am 60% positive that the answer is A. gust of wind but not 100% so hope you get this right :)
I think he says I want food and a wife sorry if im rong its been a while scince i've read that book.