The company gave Phereseadula, who is an analyst, 5.00 L of H3PO4 and he was required to calculate its concentration in mol/L. He called this solution P. He transferred 15.0 mL of solution P with a pipette into an empty 250.0 mL volumetric flask to form solution Q. He added distilled water to the graduation mark of this flask and mixer the content of this flask well. The analyst transfer 20.0 mL of solution Q with a pipette into an empty conical flask an added an indicator to this solution. The content of the conical flask was titrated with 0.4051mol/L sodium hydroxide solution (solution R). If at the endpoint of the titration, the reading on the burette was 22.22 mL; show all the steps h followed to calculate the required concentration.

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The company gave Phereseadula, who is an analyst, 5.00 L of H3PO4 and he was required to calculate its
concentration in mol/L. He called this solution P. He transferred 15.0 mL of solution P with a pipette into an empty
250.0 mL volumetric flask to form solution Q. He added distilled water to the graduation mark of this flask and mixed
the content of this flask well. The analyst transfer 20.0 mL of solution Q with a pipette into an empty conical flask and
added an indicator to this solution. The content of the conical flask was titrated with 0.4051mol/L sodium hydroxide
solution (solution R). If at the endpoint of the titration, the reading on the burette was 22.22 mL; show all the steps he
followed to calculate the required concentration.
Transcribed Image Text:The company gave Phereseadula, who is an analyst, 5.00 L of H3PO4 and he was required to calculate its concentration in mol/L. He called this solution P. He transferred 15.0 mL of solution P with a pipette into an empty 250.0 mL volumetric flask to form solution Q. He added distilled water to the graduation mark of this flask and mixed the content of this flask well. The analyst transfer 20.0 mL of solution Q with a pipette into an empty conical flask and added an indicator to this solution. The content of the conical flask was titrated with 0.4051mol/L sodium hydroxide solution (solution R). If at the endpoint of the titration, the reading on the burette was 22.22 mL; show all the steps he followed to calculate the required concentration.
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