A stock solution of FD&C Yellow No. 5 (Tartrazine, 234.3 g/mol) was prepared by placing 5.16 g in a 250-mL volumetric flask and diluting to 250 mL with distilled water. A standard solution A is prepared by adding 9.29 mL of stock solution into 25.0 mL volumetric flask and diluting to 25.0 mL with distilled water. Calculate the molar concentration (mol/L) of the standard solution A prepared. Report your answer to 4 decimal places. NOTE: Question asks to calculate the concentration of solution A, not the stock solution.

Chemistry
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Chapter1: Chemical Foundations
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A stock solution of FD&C Yellow No. 5 (Tartrazine, 234.3
g/mol) was prepared by placing 5.16 g in a 250-mL
volumetric flask and diluting to 250 mL with distilled
water. A standard solution A is prepared by adding 9.29
mL of stock solution into 25.0 mL volumetric flask and
diluting to 25.0 mL with distilled water. Calculate the
molar concentration (mol/L) of the standard solution A
prepared. Report your answer to 4 decimal places.
NOTE: Question asks to calculate the concentration of
solution A, not the stock solution.
Transcribed Image Text:A stock solution of FD&C Yellow No. 5 (Tartrazine, 234.3 g/mol) was prepared by placing 5.16 g in a 250-mL volumetric flask and diluting to 250 mL with distilled water. A standard solution A is prepared by adding 9.29 mL of stock solution into 25.0 mL volumetric flask and diluting to 25.0 mL with distilled water. Calculate the molar concentration (mol/L) of the standard solution A prepared. Report your answer to 4 decimal places. NOTE: Question asks to calculate the concentration of solution A, not the stock solution.
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