CoriZ176123 CoriZ176123
  • 26-10-2022
  • Chemistry
contestada

what is the percent composition of oxygen in Lithium oxide (Li^2O)

Respuesta :

MellaC539138 MellaC539138
  • 26-10-2022

Answer

Explanation

The given compound is Li₂O

What to fin:

The percent composition of oxygen in Li₂O.

Solution:

The first step is to calculate the total mass of Li₂O.

From the periodic table, the atomi weights of (Li = 6.941, O = 15.999)

Total mass of Li₂O = 2L + O = (2 x 6.941) + 15.999 = 13.882 + 15.999

Total mass of Li₂O = 29.881 gras

The mass of oxygen in Li₂O = 15.999 grams

The final step is to calculate the percent composition of oxygen in Li₂O.

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