A chemist prepares a solution of barium chlorate by measuring out of barium chlorate into a volumetric flask and filling the flask to the mark with water. Calculate the concentration in of the chemist's barium chlorate solution. Be sure your answer has the correct number of significant digits.

Complete Question

A chemist prepares a solution of barium chlorate BaClO32 by measuring out 42.g of barium chlorate into a 500.mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in /molL of the chemist's barium chlorate solution. Be sure your answer has the correct number of significant digits.

The concentration is

Explanation:

   From the question we told that

     The mass of is  

     The volume of the solution  

Now the number f moles of   in the solution is mathematically represented as

Where   is the molar mass of which a constant with a value

Thus

The concentration of  in the solution is mathematically evaluated as

substituting  values  

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