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
Udhaya S.
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)# = #0.00179##mol#
#Conc_(Cl^(-))# = #0.00179/(25/1000)#= #0.0716 (mol)/(dm)^3#

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