A MOLN LOAA2 H O BTNT BTETA CĨ
Câu 59:
n : a molN
lO
aA
2
H O
BTNT BTE
Ta cĩ :
X n : a mol a.1 a.2 3a.3 1, 2.2 a 0, 2 molBa(AlO )
2 2
n :1, 2 molH
BTKL
m 23a 137a 27.3a48,2N
lO
aA
2
H O
BTNT BTE
Ba(AlO )
2 2
n :1, 2 molH
BTKL
m 23a 137a 27.3a48,2