Respuesta :

lucic

Answer:

2.5 moles of O₂

Explanation:

2RbNO₃⇒2RbNO₂+O₂-------------The equation is balanced

Mole ratio for the equation

2RbNO₃⇒2RbNO₂+O₂

2                2              1

RbNO₃:O

2:1---------------------------------------For every mole of oxygen produced ,two moles of RbNO₃ are required

Given

5 moles of RbNO₃  will produce ? moles of oxygen

2 moles of RbNO₃=1 mole of oxygen

5 moles of RbNO₃=?

=(5×1)/2 = 2.5 moles