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प्रश्न
Give the empirical formula of C6H18O3.
Molecular formula of a compound is C6H18O3. Find its empirical formula.
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उत्तर
Molecular formula = C6H18O3
Take the common multiple,
Molecular formula = (C2H6O)3
Molecular Formula = (Empirical formula)n
Thus, the empirical formula = C2H6O
संबंधित प्रश्न
A gaseous hydrocarbon contains 82.76% of carbon. Given that its vapor density is 29, find its molecular formula. [C = 12, H = 11]
Consider the following reaction and based on the reaction answer the questions that follow:

Calculate:
1) the quantity in moles of (NH4)2Cr2O7 if 63gm of(NH4)2Cr2O7 is heated.
2) the quantity in moles of nitrogen formed.
3) the volume in liters or dm3 of N2 evolved at S.T.P.
4) the mass in grams of Cr2O3 formed at the same time
(Atomic masses: H=1, Cr= 52, N=14]
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Give example of compound whose:
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Determine the empirical formula of this compound.
[C = 12, Br = 80]
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