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The value of n in the molecular fromula ...

The value of `n` in the molecular fromula ` Be_n Al_2Si_6 O_(18)`.

Text Solution

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The correct Answer is:
`(3)`
The value of `n` in the molecular formula `Be_(n) Al_(2) Si_(6) O_(18)` is `3`.
`2n + (2 xx 3) +(4 xx 6) +(18 xx -2) = 0`
or `n = 3`.
Beryl is `Be_(3)Al_(2)Si_(6) O_(18)`.
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