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If you add 5.9 mL 4.00 mL of pure water to 28.752 mL 6.00 mL of 0.56 M 0.750 M NaCl solution, what is the concentration of sodium chloride in the diluted solution?

Sagot :

pick one volume and concentration as a sample

5.9 ml + 28.752 ml = 34.652

M1V1=M2V2

0.56 x 28.752 = M2 x 34.652

M2=0.464 M