Problem: Which of the following represents the mass percent of H2SO4 (MM = 98) in a 2.00 m aqueous H2SO4 solution?

FREE Expert Solution

We’re being asked to determine an expression that represents mass percent of H2SOin 2.00 m aqueous H2SOsolution.


Recall that molality is the ratio of the moles of solute and the mass of solvent (in kilograms)


In other words:


Molality(m)=moles solutekg solvent


Recall the mass percent formula shown below:

mass percent=mass componenttotal mass×100


Since we are dealing with a solution, we can rewrite the equation as:

% mass=mass solutemass solution×100


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Problem Details

Which of the following represents the mass percent of H2SO4 (MM = 98) in a 2.00 m aqueous H2SOsolution?

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Our tutors have indicated that to solve this problem you will need to apply the Molality concept. You can view video lessons to learn Molality. Or if you need more Molality practice, you can also practice Molality practice problems.