Composition of Solutions

Problem :

Calculate the volume of a 0.753 M sodium hydroxide solution that is neutralized by the addition of 100 mL of a 1.203 M sulfuric acid solution.

Solution for Problem 1 >>

This problem requires you to perform the following unit cancellation calculation:

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Problem :

If the volume of a 100 L solution of 1.1 moles of hydrogen in 6.0 moles argon is suddenly doubled, what happens to the mole fraction of hydrogen in that solution?

Problem :

What is the concentration of HCl stock solution that can create 250 mL of a 1.0 M solution that is prepared by the dilution of 50 mL of the HCl stock solution?

Solution for Problem 3 >>

By rearranging the expression c₁ v₁ = c₂ v₂ to solve for c₁, we find the concentration of the HCl stock solution:

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