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Which reactant is limiting if you begin with 9. 50 grams of al and 9. 50 grams of o2?

Sagot :

The reactant [tex]O_{2}[/tex] is limiting if we begin with 9. 50 grams of al and 9. 50 grams of  [tex]O_{2}[/tex]   .

The reactant whose number of moles is present in less quantity is called limiting reactant .

Calculation,

Given mass of Aluminium and oxygen

Mass of Aluminium = 9. 50 grams

and Mass of oxygen = 9. 50 grams

Number of moles of aluminium = given mass / molar mass of aluminium

Number of moles of aluminium = 9. 50 grams/ 26.99 = 0.351 mole

Number of moles of oxygen = given mass / molar mass of oxygen

Number of moles of oxygen = 9. 50 grams/ 31.999  = 0.296 mole

The reactant [tex]O_{2}[/tex] is limiting because oxygen present in less quantity or in limiting quantity and consume rapidly.

Therefor , the reactant [tex]O_{2}[/tex] is limiting if we begin with 9. 50 grams of al and 9. 50 grams of  [tex]O_{2}[/tex]   .

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