aloooooo. đề hoá

H

halan12

giai giup minh nha

1) Hoa tan 11,2l CO2 vao 800ml dung dich NaOH 1M. Tinh nong do mol cac chat tao thanh trong dung dich biet the tich khi do o dktc

2) Cho 510g dung dich AgNO3 10% vao 91,25g dung dich HCl 20%
a) tinh khoi luong cua AgNO3 va HCl
b) Chat nao du, co khoi luong la bao nhieu
c) Tinh C% cac chat co trong dung dich sau khi tach bo ket tua

lam nhanh giup minh nha

gui vao mail giup minh nha
<<gaquaychiengion@gmail.com>>
 
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1

11thanhkhoeo

FeS2+ O2 => Fe2O3 + SO2

SO2+O2=>SO3

SO3 + Cu0 => CuSO4

2

CuSO4+ Fe => FeSO4 +Cu

FeSO4 + BaCl2 => BaSO4 + FeCl2
 
1

11thanhkhoeo

FeS2+ O2 => Fe2O3 + SO2

SO2+O2=>SO3

SO3 + Cu0 => CuSO4

2

CuSO4+ Fe => FeSO4 +Cu

FeSO4 + BaCl2 => BaSO4 + FeCl2
 
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