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06-06-2018
Chemistry

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Calculate the amount of nacl needed to prepare 50 ml of 0.9% nacl solution and 20% nacl solution

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claudettoterohil claudettoterohil

16-06-2018

Your answer would be,
Formula: Molarity (M) = Number of moles of solute/Solutions volume Liters

0.009(50) = .45 gm dissolved in 50 ml H2o
= 0.20(50) = 10 gm

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