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عندي سؤال والله يوفق اللي يجاوب علي :)...........
0.55ml of 0.255M nitric acid is added to 45ml of 0.328M Mg(NO3)2. What is the concentration of nitrate ion in the final solution
الخيارات :
a) 0.481M
b) o.456
c) 0.435
d) 0.419