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chemistry

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1. To make the following saline solution (375ml 0.5% w/v sodium chloride) what would you weigh out?
What volume of water would you use?

  • chemistry - ,

    0.5% w/v NaCl means 0.5 g NaCl/100 mL soln.
    If you want 375 mL soln instead of 100 mL soln, just proportion it up.
    0.5 g x (375/100) = ? g NaCl in 375 mL solution.

  • chemistry - ,

    I would like to know what volume of water you use?
    How to calculate the volume of water?

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