joshhowze1896
13.08.2021 •
Chemistry
Khử hoàn toàn 6,64 gam hỗn hợp gồm Fe, FeO, Fe3O4, Fe2O3 cần dùng 2,24 lít CO (đktc). Khối lượng Fe thu được là
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Ответ:
y=3x
x=number of people
y=number of total sandwiches
PART B:
y=18-3x
hope this is right i'm sorry if its wrong :)