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How many grams of zinc oxide can be produced from 7.3 moles of oxygen? *
2Zn + O2 → 2Zno
1188.13 g Zno
81.379 g Zno
7.3 g Zno
O 2g Zno

Respuesta :

Neetoo

Answer:

Mass = 1188.13 g

Explanation:

Given data:

Mass of ZnO produced = ?

Moles of oxygen = 7.3 mol

Solution:

Chemical equation:

2Zn + O₂       →      2ZnO

Now we will compare the moles oxygen and and ZnO.

               O₂          ;        ZnO

                1            :           2

              7.3          :           2/1×7.3 = 14.6 mol

Mass of ZnO:

Mass = number of moles × molar mass

Mass = 14.6 mol × 81.38 g/mol

Mass = 1188.13 g

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