What is the concentration of sodium ions in the initial sodium chloride solution?

I'm stumped on this question for my chemistry summative, any help would be great. The information given is:

From the equation below, 32.0 mL of 0.100 mol/L silver nitrate is required to precipitate all the chloride ions in 25 mL of a solution of sodium chloride.

AgNO3(aq) + NaCl(aq) -> AgCl(s) + NaNO3(aq)

What is the concentration of sodium ions in the initial sodium chloride solution?

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  • 7 years ago
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    unless there is some hidden equilibrium agenda

    it should be as simple as this

    because the ratio of silver ions to chloride ions will be 1 to 1

    32.0(0.100) = 25X

    X = 0.128 M

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