If you have 2.50 moles of agno3, how many moles of ba(no3)2 can be formed?
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1.25 moles of Ba(NO3)2 will be formed.

Explanation:

Given data:

moles of AgNO3 = 2.50 mol

moles of Ba(NO3)2 = ?

Solution:

First of all we will write the balance chemical equation.

2AgNO3 + BaCl2 → Ba(NO3)2 + 2AgCl

Now we compare the moles of AgNO3 and  Ba(NO3)2.

   AgNO3   :    Ba(NO3)2

     2           :        1

     2.5        :        1/2 × 2.5 = 1.25 moles

so, 2.50 moles of AgNO3 will produce 1.25 moles of Ba(NO3)2.

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