What is the molecular formular of a compound whose empirical formula is ch3 and whose molar mass is 30 g/mol?

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12-07-2018
Chemistry

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What is the molecular formular of a compound whose empirical formula is ch3 and whose molar mass is 30 g/mol?

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leele1 leele1 · Answer 1 · 2018-07-12T19:13:23+02:00

leele1 leele1

12-07-2018

You can take the molecular formula's mass of 30g and divide that by 15g of the empirical formula to get 2. Take that 2 and multiply it to the empirical to get the molecular formula of C2H6.

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priyankatutor priyankatutor · Answer 2 · 2021-11-30T14:17:30+01:00

The given compound is Ethane because ethane has the molar mass of 30 g/mol.

Ethane: It is odorless, colorless, gaseous hydrocarbon that has molecular formula [tex]\bold {C_2H_6}[/tex].

The molecular weight of [tex]\bold {C_2H_6}[/tex]. is 30g/ mol.

The molar mass of the Carbon is 12

The molar mass of the Hydrogen is 1

There are 2 Carbon, molar mass by carbon is 24,

There are 6 carbon compounds, so molar mass by Hydrogen is 6

Therefore, the total molar mass of the compound is 24+6 = 30 mol /g.

Therefore, the given compound is Ethane because ethane has the molar mass of 30 g/mol.

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