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29 December, 21:21

Lithium reacts with oxygen to form lithium

oxide according to the equation: 4Li + 0, →

2L1,0. If 27.8 g of Li react completely with

32.0 g of Oz, how many grams of Li, are

formed?

+1
Answers (1)
  1. 29 December, 22:03
    0
    59.6 g

    Explanation:

    4Li + O₂ → 2Li₂O

    32.0 g O₂ * (1 mol O₂ / 32.0 g O₂) = 1.00 mol O₂

    1.00 mol O₂ * (2 mol Li₂O / mol O₂) = 2.00 mol Li₂O

    2.00 mol Li₂O * (29.8 g Li₂O / mol Li₂O) = 59.6 g Li₂O
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