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Chemistry
Chemistry
Problem
Structure of
N
a
2
[
B
4
O
5
(
O
H
)
4
]
⋅
8
H
2
O
Na_2[B_4O_5(OH)_4] \cdot 8H_2O
N
a
2
[
B
4
O
5
(
O
H
)
4
]
⋅
8
H
2
O
contains : a. two triangular and two tetrahedral units b. three triangular and one tetrahedral units c. all tetrahedral units d. all triangular units
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