Question

Given the following equation: Cu + 2 AgNO3 → Cu(NO3)2 + 2 Ag
How many moles of Cu are needed to react with 3.50 moles of AgNO3?
mols

Answer 1

Answer:

1.75 moles of copper are needed to react with 3.50 moles of AgNO₃.

Explanation:

Given data:

Moles of copper needed = ?

Moles of AgNO₃ = 3.50 mol

Solution:

Chemical equation:

Cu + 2AgNO₃  → Cu(NO₃)₂ + 2Ag

Now we will compare the moles of copper and AgNO₃.

                      AgNO₃         :            Cu

                          2               :             1

                        3.50            :             1/2×3.50 = 1.75 mol

So 1.75 moles of copper are needed to react with 3.50 moles of AgNO₃.