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20 July, 04:01

A solution of H 2 SO 4 (aq) with a molal concentration of 1.94 m has a density of 1.119 g / mL. What is the molar concentration of this solution?

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  1. 20 July, 04:12
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    For water should be the same. 1.94 M

    Explanation:

    Molarity and molality can be the same in some cases. For instance 1 liter of water weighs 1 kg. What is molality? Molality can be defined as the number of moles of substance (known as the solute) that is found in a certain mass of solvent given in kg, that it is dissolved in. The formula for calculating molality is : m = mole solute / kg solvent

    However 1.94 m does not make sense with 1.119 density

    1.119g/ml = 1119g/1000

    1119 g=1000g water + 119g sulfuric acid=

    119g/92g/mol=1.29 mol

    Therefore = 1.29 molar does not make sense
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