Question

. The empirical formula and molecular mass of a compound

are CH2O and 180g respectively. What will be the molecular

formula of the compound?​

Answer 1

Answer:

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Answer 2

Given: The empirical formula and molecular mass of compound are CH2O and 180 g respectively.

To find: Molecular formula of the compound

Explanation: Empirical formula= CH2O

Empirical mass = Molar mass of carbon+ 2* molar mass of hydrogen+ molar mass of oxygen

=> Empirical mass = 12+ 2*1 + 16

= 30

The empirical mass is 30 g.

Molar mass = 180 g

Let Empirical formula* n = Molar mass

To calculate n:

n= Molar mass/ Empirical mass

= 180/30

= 6

Therefore,

Molecular formula= 6 * CH2O

= C6H12O6

Therefore, molecular formula of the compound is C6H12O6.