A piece of chalk (mainly calcium carbonate) is placed in 250. mL of 0.364 M HCl. All the CaCO3 reacts, releasing carbon dioxide gas and leaving 250. mL of a clear solution. 35.00 mL of the solution is pipetted into another flask. 65.9 mL of 0.0524 M NaOH is required to titrate the HCl remaining in this 35.00-mL portion. What was the original mass of CaCO3 in the piece of chalk?

Q: What mass of precipitate is formed when 100. mL of  0.350 M  NaCl reacts with  100. mL  of  0.175 M…

A: When an insoluble substance is present in the chemical solution it is called a precipitate.…

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Q: percent NaOH

A:

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Q: A solution was prepared by mixing 20.00 mL of 0.100 M HNO3  and 110.00 mL of 0.200 M HNO3 .…

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Q: During a titration the following data was collected. A 5 0. 0 mL portion of H2 S O4 was titrated…

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A: Molarity of NaOH = 0.2895 M Volume of NaOH = 54.30 mL Determine the moles of NaOH -  Moles of NaOH =…

Q: You are given solutions of HCl and NaOH and must determine their concentrations. You use 27.5 mL of…

A: Given :             27.5 mL of NaOH to titrate 100.0 mL of HCl             18.4 mL of NaOH to…

Q: A mixture of hydrochloric and sulfuric acids is prepared so that it contains 0.235 M HCl and 0.605 M…

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Q: A 22.58-mL sample of sulfuric acid from an automobile battery requires 34.03 mL of 1.95 M  sodium…

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Q: What mass of precipitate is formed when 100. mL of  0.350 M  NaCl reacts with  100. mL  of  0.175 M…

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Q: 31. How can you describe the compound LiCI? a. lonic b. Covalent C. Acidic d. Basic 32. What is the…

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Q: The percentage of NaHCO3 (molar mass = 84.01 g) in a powder used for an upset stomach is found by…

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Q: b) 20.00 mL of 0.2254M hydrochloric acid (HCI) is added into a 0.2719 g rock sample that contains…

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Q: When 3.5 g of CaF2 (an insoluble salt, Ksp = 3.9 X 10-11) is added to water to make 200. mL of…

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Q: 4. What mass of solid aluminum hydroxide can be produced when 50.0 mL of 0.200 M Al(NO3)3 is added…

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Q: A 0.786 g sample of KHP is dissolved in 50 mL of water and titrated with KOH. The initial burette…

A:

Q: What is the percentage of KHP in this sample?

A:

Q: Calculate the concentration of sodium jons in solution after 30.0 mL of 3.35 M NaCI and 70.0 mL of…

A:

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Q: the concentration of the Sodium hydroxide solution.

A:

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Q: What volume of 0.100 M NAOH is required to precipitate all of the nickel (II) ions from 150.0 mL of…

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.