Problem: Calculate the mass of HCl (molar mass = 36.46 g/mol) in 5.00 mL of an HCl solution (density = 1.19 g/mL) that is 37.23% by mass HCl.

FREE Expert Solution
FREE Expert Solution

We’re being asked to calculate the mass of HCl in a 37.23% by mass HCl solution

And to do that we're going to use 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


We don’t have the mass of the solution but we can calculate it using the volume and density of the solution.

volume solution (density) → mass solution

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Problem Details

Calculate the mass of HCl (molar mass = 36.46 g/mol) in 5.00 mL of an HCl solution (density = 1.19 g/mL) that is 37.23% by mass HCl.

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What scientific concept do you need to know in order to solve this problem?

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

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Based on our data, we think this problem is relevant for Professor Tang's class at USF.