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Calculating Concentration in a Solution

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A student pipets 20.00mL of 0.030M Na2SO3 soln. into a large beaker. To this same beaker the student adds 30.00 mL of 0.020M KIO3 soln. and 50.00 mL of distilled water. The student mixes it thoroughly with a stir rod.
Calculate the concentration of Na2SO3 and KIO3 in the new solution but before the reaction occurs.

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Solution Summary

The expert calculates the concentration in a solution. The solution is given step-by-step including equations.

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The atomic weights of Na2SO3 and KIO3.

Na2SO3= (23*2+32+16*3)= 126 grams/mole
KIO3=(40+127+16*3)=215 grams/mole

Next find weights of each solute from the given Molarities:

Molarity = Moles of solute/Liter of ...

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