Problem: Which of the schematic drawings best describes a solution of Li2SO4 in water (water molecules not shown for simplicity)?

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We’re being asked to determine the right representation of Li2SO4 in water.


The choices are:


Recall that according to the solubility rules: Group 1A ions (Li+, Na+, K+, etc.). 

  • The ionic compound given contains a Group 1A metal, lithium. Therefore, automatically, the compound is soluble.
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Problem Details

Which of the schematic drawings best describes a solution of Li2SO4 in water (water molecules not shown for simplicity)? Diagrams show (a) a negative two atom bonded to two positive one atoms; (b) five negative two and three positive one ions in solution; or (c) three negative two and five positive one ions.

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

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Based on our data, we think this problem is relevant for Professor Diaz Consul's class at MDC.