Đáp án:
FE2O3+6HCl → 3H2O+2FeCl3
1 : 6 : 3 : 2
2Fe2O3 + 12HCL ra 4FeCl3 +6H2O
Giải thích các bước giải:
Viết bài văn nghị luận về tấm gương học tập của Nguyễn Hiền đi ạ:((
Choose the best answer.
I think you should buy _____ pack of mineral water instead. And you can also buy _____ snacks such as potato crisps, 3 kilos of mandarins, 2 kilos of apples, 3 bunches of bananas, ______ cookies and soft candies.
We should decorate our living room with _____ orange banner. We also need ________ ribbons, balloons, party hats and costume.
I think that ______ cauliflower is not enough for 3 people. Let’s buy one more.