Set the alkane formula if its density is 3.839 g / l. Write the structural formula of the isomer, in which one atom is quaternary, and name it.

univerkov | December 10, 2020 | education

1 mol of gas under normal conditions takes 22.4 liters
let’s make a proportion

1 – 22.4
x – 1 x = 0.0446 mol takes 1 liter
3.839 g – mass 0.0446 mol
hence the mass of 1 mole = 86 g

general alkane formula: CnH2n + 2
express mass
12n + 2n + 2 = 86
14n + 2 = 86
14n = 84
n = 6
answer: hexane c6h14

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