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**Problem**: How many moles of solute particles are present in 5.04 mL of 0.796 M K2SO4? When you have the value, take its LOG (base 10) and enter it with 2 decimal places as your answer.A. -2.09B. 0.004C. -1.92D. -2.39E. 0.0120

###### FREE Expert Solution

We’re being asked to calculate the **moles of solute particles are present in 5.04 mL of 0.796 M K _{2}SO_{4}**.

Recall that ** molarity** is the ratio of the moles of solute and the volume of solution (in liters).

In other words:

$\overline{){\mathbf{Molarity}}{\mathbf{\left(}}{\mathbf{M}}{\mathbf{\right)}}{\mathbf{=}}\frac{\mathbf{moles}\mathbf{}\mathbf{of}\mathbf{}\mathbf{solute}}{\mathbf{Liters}\mathbf{}\mathbf{of}\mathbf{}\mathbf{solution}}}$

###### Problem Details

How many moles of solute particles are present in 5.04 mL of 0.796 M K_{2}SO_{4}? When you have the value, take its LOG (base 10) and enter it with 2 decimal places as your answer.

A. -2.09

B. 0.004

C. -1.92

D. -2.39

E. 0.0120

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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 Osmolarity concept. You can view video lessons to learn Osmolarity Or if you need more Osmolarity practice, you can also practice Osmolarity practice problems .

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