3. A student neutralized 25.0 cm of sod ide solutiUH WiLH U.6 student carried out the experiment three times and obtained the following results. Experiment 3 Experiment 1 Experiment 2 Volume of Acid 19.90 17.30 17.40 Used/ cm3 (a) The student calculated the volume of acid used by calculating the average of the volume of acid used in Experiment 2 and Experiment 3. Explain why the first reading was not considered. (b) Calculate the amount (moles) of 0.6 moldm 3 sulfuric acid in the average titre value used to neturalise the sodium hydroxide. (c) How many moles of sulfuric acid react with 1 mole of sodium hydroxide? (d) What amount (moles) of sodium hydroxide were there in the 25 cm³ sample?

3. A student neutralized 25.0 cm of sod ide solutiUH WiLH U.6 student carried out the experiment three times and obtained the following results. Experiment 3 Experiment 1 Experiment 2 Volume of Acid 19.90 17.30 17.40 Used/ cm3 (a) The student calculated the volume of acid used by calculating the average of the volume of acid used in Experiment 2 and Experiment 3. Explain why the first reading was not considered. (b) Calculate the amount (moles) of 0.6 moldm 3 sulfuric acid in the average titre value used to neturalise the sodium hydroxide. (c) How many moles of sulfuric acid react with 1 mole of sodium hydroxide? (d) What amount (moles) of sodium hydroxide were there in the 25 cm³ sample?

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter4: Energy And Chemical Reactions

Section: Chapter Questions

Problem 120QRT

See similar textbooks

Similar questions

Calcium carbonate, CaCO3, can be obtained in a very pure state. Standard solutions of calcium ion are usually prepared by dissolving calcium carbonate in acid. What mass of CaCO3 should be taken to prepare 500. mL of 0.0200 M calcium ion solution?
An experiment in a general chemistry laboratory calls for a 2.00-M solution of HCl. How many mL of 11.9 M HCl would be required to make 250 mL of 2.00 M HCl?
A solution of sodium cyanide, NaCN, has a pH of 12.10. How many grams of NaCN are in 425 mL of a solution with the same pH?
Silver ions can be found in some of the city water piped into homes. The average concentration of silver ions in city water is 0.028 ppm. (a) How many milligrams of silver ions would you ingest daily if you drank eight glasses (eight oz/glass) of city water daily? (b) How many liters of city water are required to recover 1.00 g of silver chemically?