Date Name Lab Partner Name Include all work, units and write answers in scientif

Question

Date Name Lab Partner Name Include all work, units and write answers in scientific notation (if applicable) using the correct number of Bin # Experimental Data and Results significant figures for full credit. Obtain a signature prior to leaving lab C. Titration of Carbonated Beverage Trial 1 Trial 2 | 2-5 m | 3 .O 1. Volume of Soda Used 2. Standardized Concentration of NaOH 3. Initial Volume NaOH -83nd- |3.50ml 2-n-L 4. Final Volume NaOH 5. Volume NaOH Used 6. Instructor Approval of Endpoint 7. Mol NaOH 8. Mol to Mol Ratio of NaOH 3 NaOH 1 Acid 3 NaOH : 1 Acid to Citric Acid 9. Mol Citric Acid 10. Concentration of Citric Acid in the Soda "Show your work.

Explanation / Answer

Since the standardized concentration of NaOH solution used for titration is not given in the question, it is not possible to know the exact concentration of citric acid in soda. But, the general formula for calculating this concentration is given below. You can plug in the respective values into it and find the final answer.

Xacid * Macid * Vacid = Xbase * Mbase * Vbase

=> 3 * Macid * 2.5 = 1 * Mbase * 0.95  

=> Macid = (Mbase * 0.95) / 7.5

Now just put the value of the Mbase (molar concentration of the NaOH solution) used in the titration and it will give the desired result.

Similarly calculate the Macid for trial 2.

Macid = (Mbase * 1.45) / 9

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