If you have a 1.6 M NaCl solution and are now asked to make 50 mls...

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If you have a 1.6 M NaCl solution and are now asked to make 50 mls...

If you have a 1.6 M NaCl solution and are now asked to make 50 mls of a 0.16 M NaCl solution. How would you do this? You may recognize that it is a 1:10 dilution and add (just type number) _____ mLs of 1.6M NaCl to (just type number) _____ mLs water.

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Answer 1

Answer #1

Let the volume of solution required be V ml

Number of moles of NaCl must be same in both the solution, hence we get

Hence the volume of stock solution required is equal to 5 ml

5 mLs of 1.6M NaCl to 45 mL's of water

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Answer 2

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If you have a 1.6 M NaCl solution and are now asked to make 50 mls...

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