There is a manufacturing problem with 0.9% w/v sodium chloride solution and you have been unable to order it from any supplier for over a month. Your specials department is considering producing it extemporaneously. You have 250 mL of an 18% w/v stock solution of sodium chloride.   How many millilitres of water should be added to the 18% w/v stock solution to prepare a 0.9% w/v sodium chloride solution? units- ml

Introductory Chemistry For Today
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Chapter7: Solutions And Colloids
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There is a manufacturing problem with 0.9% w/v sodium chloride solution and you have been unable to order it from any supplier for over a month. Your specials department is considering producing it extemporaneously. You have 250 mL of an 18% w/v stock solution of sodium chloride.

 

How many millilitres of water should be added to the 18% w/v stock solution to prepare a 0.9% w/v sodium chloride solution?

units- ml

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