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11 December, 23:44

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

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Answers (1)
  1. 12 December, 00:03
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    1.75 moles of copper are needed to react with 3.50 moles of AgNO₃.

    Explanation:

    Given dа ta:

    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.
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