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18 November, 20:21

Convert a 0.9% glucose solution to a g/100ml

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  1. 18 November, 20:38
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    0.9% glucose solution means there are 0.9 g of glucose per 100 mL water.

    The concentration is required per litre for molar concentration:

    0.9% glucose solution contains 9 g of glucose per 1000 mL or 1 L of water.

    Molar mass of glucose is 180.16 g mol^-1 so 9 g = 9g/180.16 g mol^-1 = 0.05 moles

    1 L of water contains 0.05 moles of glucose so molar concentration is 0.05 M or 0.05 mol/L
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