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Asked Mar 24, 2020
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what is the concentration of a solution if you dissolve 2.1 g of NaBr to give a final solution volume of 5.0 L?

 

 

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Expert Answer

Step 1

Concentration = moles of solute (i.e NaBr here) / volume of solution in L

Since moles = mass/ molar mass 

molar mass of NaBr = 103 gm/mol

Henc...

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