If 25mL of a solution of sodium chloride requires 17.9mL of 0.100mol/L silver nitrate for complete reaction what is the molarity of the chloride ion?

1 Answer
Apr 22, 2018

0.0716 M

Explanation:

NaCl + AgNO_3 = AgCl + NaNO_3
Mole Ratio of NaCl to AgNO_3 is 1:1
Mol_(AgNO3) = 0.1/(1000/17.9) = 0.00179 mol
Mol_(NaCl) = 0.00179mol
Conc_(Cl^(-)) = 0.00179/(25/1000)= 0.0716 (mol)/(dm)^3