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BÀI TẬP TRẮC NGHIỆM HÓA HỮU CƠ CẨM NANG DÙNG LUYỆN THI THPTQG CHẤT LƯỢNG CAO (COLOR BOOK)

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VD6:<br />

lít O 2 2 và H 2<br />

Chú ý<br />

2H 6 là 3,8.<br />

4,2<br />

n 0,1875 (mol) m 6 (gam)<br />

O2 O2<br />

22, 4<br />

2 CO 2 + H 2 O<br />

sinh ra CO 2 và H 2<br />

20<br />

m m m m 8,85 (gam)<br />

CO H O X O<br />

2 2 2<br />

1<br />

mCO<br />

44 44<br />

2<br />

CO<br />

m 15 15<br />

H O<br />

2<br />

m m 0<br />

H O<br />

2 2<br />

2<br />

1 , 2<br />

m<br />

m<br />

CO<br />

2<br />

2<br />

H O<br />

6,6 (gam)<br />

2,25 (gam)<br />

n n 0,15 (mol)<br />

C<br />

H<br />

CO<br />

2<br />

n 2n 0,25 (mol)<br />

H O<br />

2<br />

•<br />

0,8<br />

m m (m m ) 0,8 (gam) n 0,05 (mol)<br />

O X C H O<br />

16<br />

•<br />

•<br />

Mà:<br />

n : n : n 0,15 : 0,25 : 0,05 3 : 5 : 1<br />

C H O<br />

M X = (3 12 + 5 1 + 1 16)n = 57n<br />

d 3,8 M 114<br />

X<br />

C H<br />

2 6<br />

X<br />

6H 10 O 2 .<br />

3H 5 O.<br />

3H 5 O) n .<br />

n = 2.<br />

7

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