Đáp án: Fe-FeCl3-Fe(OH)3-Fe2O3-Fe2(SO4)3-FeCl3 - Mình trình bày chi tiết ở trong hình!

hoangphan950

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Fe-FeCl3-Fe(OH)3-Fe2O3-Fe2(SO4)3-FeCl3

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Quỳnh Nguyễn

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Quang Cường

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Fe+ 3/2Cl2 (t*)-> FeCl3

FeCl3+ 3NaOH -> Fe(OH)3+ 3NaCl

2Fe(OH)3 (t*)-> Fe2O3+ 3H2O

Fe2O3+ 3H2SO4 -> Fe2(SO4)3+ 3H2O

Fe2(SO4)3+ 3BaCl2 -> 3BaSO4+ 2FeCl3

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Fe-FeCl3-Fe(OH)3-Fe2O3-Fe2(SO4)3-FeCl3

2 câu trả lời

if you don't wear a helmet , you can't ride your bike => Unless

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.

Choose the best answer.
We should decorate our living room with _ orange banner. We also need ____ ribbons, balloons, party hats and costume.

Choose the best answer.
I think that ______ cauliflower is not enough for 3 people. Let’s buy one more.

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Fe-FeCl3-Fe(OH)3-Fe2O3-Fe2(SO4)3-FeCl3

2 câu trả lời

if you don't wear a helmet , you can't ride your bike => Unless

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.

Choose the best answer.We should decorate our living room with _____ orange banner. We also need ________ ribbons, balloons, party hats and costume.

Choose the best answer.I think that ______ cauliflower is not enough for 3 people. Let’s buy one more.

Đề thi - đề kiểm tra Xem thêm

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.

Choose the best answer.
We should decorate our living room with _ orange banner. We also need ____ ribbons, balloons, party hats and costume.

Choose the best answer.
I think that ______ cauliflower is not enough for 3 people. Let’s buy one more.