How much 4M NaCl would you need to make 600 mL of a 350 mM solution?

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How much 4M NaCl would you need to make 600 mL of a 350 mM solution?

Answer

C1= 4 M, V1=? C2= 350 mM = 0.35 M, V2= 600 mL

C1.V1 = C2.V2 –> V1=C2.V2/C1 = 0.35 x 600 / 4 = 52.5 mL –> Take 52.5 mL of the 4M NaCl stock and add 547.5 mL of water.