Đáp án: al2o3+3h2so4->al2(so4)3+3h2o
Giải thích các bước giải:
Đáp án:
Al2O3+3H2So4---->Al2(SO4)3+3H2O
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.