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25 April, 11:32

Calculate the molality of a solution formed by adding 4.40 g NH4Cl to 11.0 g of water.

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  1. 25 April, 11:43
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    [NaCl] = 6.84 m

    Explanation:

    Molality is mol of solute / 1 kg of solvent

    Let's convert the mass of solvent to kg

    11 g = 0.011 kg

    Now, let's convert the mass of solute to moles

    Mass / molar mass

    4.4 g / 58.45 g/mol = 0.0752 moles

    Molality → 0.0752 mol / 0.011 kg = 6.84 m
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