Solution Chemistry

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jordansnfootbal

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Is anyone here having trouble with solution chemistry? How did you improve because I have tried practice problems and all that and I do not seem to be improving on this subject. I get all the conceptual stuff but I just can't figure out the math and conversions and stuff. Is there any websites/material that are good practice for this topic?

Heres an example of the types of problems I'm talking about about:
A lab technician prepares a 1.5M aqueous solution of copper (II) sulfate. The solution has a density of 1300g/L. What is the ratio of moles of copper (II) sulfate to moles of water in this solution?

It took me a while to figure out this simple problem. Conversions is my weakness ha

Thanks

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