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How many moles of Ag form from 5.0 mol Zn?

How Many Moles Of Ag Form From 50 Mol Zn class=

Sagot :

CrystalQueen

Answer:

8.0 moles Ag

Explanation:

To find the moles of silver (Ag), you need to multiply the moles of Zn and AgNO₃ by the mole-to-mole ratio. This ratio is made of the coefficients from the balanced chemical equation. It is important to arrange the ratio in a way that allows for the cancellation of units.

2 AgNO₃ + 1 Zn -----> 2 Ag + Zn(NO₃)₂
^                  ^                ^

 5.0 moles Zn           2 moles Ag
-----------------------  x  ----------------------  =  10. moles Ag
                                     1 mole Zn

8.0 moles AgNO₃             2 moles Ag
----------------------------  x  ----------------------------  =  8.0 moles Ag
                                        2 moles AgNO₃

We needed to convert both reactants into the product because we wre not given a limiting reagent. The limiting reagent is the reactant that is completely reacted first. The limiting reagent in this reaction is AgNO₃ because it produces the smallest amount of product. As such, the actual amount of moles Ag is 8.0 moles.

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