Verified Answer :

AgNO₃ + NaCl = NaNO₃ + AgCl

1 mol AgNO
₃ --------------- 1 mole AgCl
15 mol AgNO₃ ------------- ? mole AgCl

moles AgCl = 15 x 1 / 1

moles AgCl = 15 / 1

= 15 moles AgCl

hope this helps!