Answered

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In a reaction between sodium and oxygen to make sodium oxide. How many
liters of oxygen is needed to make 5.50 moles of sodium oxide? Write the
numerical answer only. *
Your answer
check your chemical reactions

Sagot :

ardni313

Liters of Oxygen : 61.6 L

Further explanation

Given

5.5 moles Na₂O

Required

Liters of Oxygen

Solution

Reaction

4Na+O₂⇒2Na₂O

mol O₂ from equation :

= 1/2 x mol Sodium oxide

= 1/2 x 5.5

= 2.75

Assume at STP(1 mol gas=22.4 L), liters O₂ :

= 2.75 x 22.4

= 61.6 L

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