ظرف B: $M=\frac{n}{V}=\frac{10(0/001)mol}{\frac{5}{100}L}=\frac{\frac{1}{100}}{\frac{5}{100}}=\frac{1}{5}\frac{mol}{L}$ ظرف C: $M=\frac{n}{V}=\frac{5(0/001)mol}{\frac{5}{100}L}=\frac{\frac{5}{1000}}{\frac{5}{100}}=\frac{1}{10}\frac{mol}{L}$