Question

if 50 ml of 0.1 M NaCl and 50 ml of 0.1 M bacl2 are mixed molarity of chloride ion in the resulting solution will be

Answer 1

No reaction is performing because
NACL + BACL2 = NO REACTION

Answer 2

M={M1VI+M2V2}÷{V1+v2}  

By this formula answer will be 0.01M.

IF U WANT CHECK WITH THIS FORMULA

M={M1VI+M2V2}÷{V1+v2}