How many moles of H2 gas should be taken up by 1-octene when 1-octene is changed to n-octane by catalytic hydrogenation?

Answer 1

You need to know how much 1-octene you are starting with. In my lab it was 120 microliters. Change it to liters by dividing by 1000 to make milliliters (mL). I then multiplied by .72 (the density; g/cm3), divided by 112.22 (molecular weight; g/mol).

(0.120 mL Octene) x (.72g/cm3) x (1 cm3/1 mL)x (1 mol /112.22 g) x (1 mole H2/1 mole octene).

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Answer 2

To determine the moles of H2 gas required for catalytic hydrogenation of 1-octene to n-octane, we first need to identify the reaction. The reaction equation for this process is: 1-octene + H2 → n-octane. Since the reaction involves the addition of 2 hydrogen atoms per mole of 1-octene, 1 mole of H2 gas is required to convert 1 mole of 1-octene to n-octane.