Đáp án: Cho 500ml fe2o3 tác dụng với HCL 3M a viết PTPU B tính số gam sắt tham gia phản ứng - a, Fe2O3+ 6HCl -> 2FeCl3+ 3H2O b, nHCl= 0,53= 1,5 mol => nFe2O3= 0,25 mol mFe2O3= 0,25160= 40g

a, Fe2O3+ 6HCl -> 2FeCl3+ 3H2O b, nHCl= 0,53= 1,5 mol => nFe2O3= 0,25 mol mFe2O3= 0,25160= 40g

Linh Hayate

2 năm trước

Cho 500ml fe2o3 tác dụng với HCL 3M a viết PTPU B tính số gam sắt tham gia phản ứng

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Quang Cường

2 năm trước

a, Fe2O3+ 6HCl -> 2FeCl3+ 3H2O

nHCl= 0,5.3= 1,5 mol => nFe2O3= 0,25 mol

mFe2O3= 0,25.160= 40g

chibana

2 năm trước

Đáp án:

Giải thích các bước giải:

500ml=0.5l

a, fe2o3+6hcl→3h2o+2fecl3

b, nHCL=3×0.5=1.5mol

nFe2O3=1.5×1÷6=0.25mol

mFe2O3=0.25×(56×2+16×3)=40g

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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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Cho 500ml fe2o3 tác dụng với HCL 3M a viết PTPU B tính số gam sắt tham gia phản ứng

2 câu trả lời

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

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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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