If a 25 mL water sample requires 27.2 mL of. 104 molarity AgNO3 in titration with sample of AgNO3, what is the concentration of Cl in the sample?

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Angelina English

Chemistry

2 March, 08:57

If a 25 mL water sample requires 27.2 mL of. 104 molarity AgNO3 in titration with sample of AgNO3, what is the concentration of Cl in the sample?

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Timber · Answer 1

The principle of this titration is Ag + will react with Cl - with the ratio of 1:1. So the mol number of Cl - is equal to Ag + = 27.2*10^ (-3) * 0.104. And the concentration of Cl - is equals to mol number of Cl - / (25*10^ (-3)) = 0.113.