The value of n in the molecular formula BenAl2Si6O18 is
A
3
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B
6
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C
4
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D
1
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Solution
The correct option is C 4 While balancing the charge of the atoms, we get
2n+6+24-36=0
n=3
The correct molecular formula is Be3Al2Si6O18. It is commonly known as beryl.