You have 3.00 L of a 3.12 M solution of NaCl(aq) called solution A. You also have 2.00 L of a 2.00 M solution of AgNO3(aq) called solution B. You mix these solutions together, making solution C. Calculate the concentration (in M) of Ag+ ions in solution C.

Explanation:

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In this case, since the presence of silver ions is in AgNO3 only, we can compute their moles by using the volume and concentration of the corresponding salt:

Next, since the total volume of solution C is 5.00 L, the required concentration of silver ions turn out:

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it's c. elements are placed in rows based on how may valencies electrons have.