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1. If 8.5 g of pure ammonium phosphate, (NH₂),PO,(s), is dissolved in distilled water to make 400 mL of solution, what are the concentrations (in moles per litre) of the ions in the solution?

1. If 8.5 g of pure ammonium phosphate, (NH₂),PO,(s), is dissolved in distilled water to make 400 mL of solution, what are the concentrations (in moles per litre) of the ions in the solution?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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try 2 (Worksheet) 4 0 Practice Problems Open with 11. If 8.5 g of pure ammonium phosphate, (NH₂),PO (s), is dissolved in distilled water to make 400 mL of solution, what are the concentrations (in moles per litre) of the ions in the solution? 12. A strip of zinc metal was placed in a beaker that contained 120 mL of a solution of copper(II) nitrate, Cu(NO3)2(aq). The mass of the copper produced was 0.813 g. Find the initial concentration of the solution of copper(II) nitrate. 13. When 75.0 mL of silver nitrate, AgNO₂(aq), was treated with excess ammonium carbonate, (NH4)2CO3(aq), 2.47 g of dry precipitate was recovered. Write the net ionic equation for the reaction, and calculate the concentration of the original silver nitrate solution. 14. When an excess of sodium sulfide, Na,S(aq), was added to 125 mL of 0.100 mol/L iron(II) nitrate, Fe(NO3)₂(aq), a black precipitate formed. Identify the precipitate, and calculate the maximum mass of precipitate that can be collected from the reaction. 15. What mass of silver chloride. AgCl(s), can be precipitated from 75 ml of 0.25 mol/L silver nitrate, AgNO3(aq), by adding excess magnesium chloride, MgCl₂(aq)? 16. What mass of bromine gas can be collected by bubbling excess chlorine gas through 850 mL of a 0.350 mol/L solution of sodium bromide. NaBr(aq)? 17. What mass of strontium carbonate, SrCO,(s). can be precipitated trom 50.0 mL of 0.165 mol/L strontium EU nitrate, Sr(NO3)2( carbonate, NaCO3 18. Before it was banne non-selective toxic was the active ingre A chemist measured thallium(I) sulfate a potassium iodide to iodide, TII(s). The m was 2.45 g. Find the thallium(I) sulfate so 19. A sample of a substan ions was dissolved in volumetric flask. Ther treated with excess sil- precipitate of silver chl dried. The mass of the a. Calculate the conce b. If the original substa NaCl(s), what mass volumetric flask? 20. Food manufacturers som Ca(CH₂COO) (s), to sat When analyzed. a 250 m was found to contain 0.28 a. Find the molar concer acetate solution. acer b. What mass of calcium make the solution?
Transcribed Image Text:try 2 (Worksheet) 4 0 Practice Problems Open with 11. If 8.5 g of pure ammonium phosphate, (NH₂),PO (s), is dissolved in distilled water to make 400 mL of solution, what are the concentrations (in moles per litre) of the ions in the solution? 12. A strip of zinc metal was placed in a beaker that contained 120 mL of a solution of copper(II) nitrate, Cu(NO3)2(aq). The mass of the copper produced was 0.813 g. Find the initial concentration of the solution of copper(II) nitrate. 13. When 75.0 mL of silver nitrate, AgNO₂(aq), was treated with excess ammonium carbonate, (NH4)2CO3(aq), 2.47 g of dry precipitate was recovered. Write the net ionic equation for the reaction, and calculate the concentration of the original silver nitrate solution. 14. When an excess of sodium sulfide, Na,S(aq), was added to 125 mL of 0.100 mol/L iron(II) nitrate, Fe(NO3)₂(aq), a black precipitate formed. Identify the precipitate, and calculate the maximum mass of precipitate that can be collected from the reaction. 15. What mass of silver chloride. AgCl(s), can be precipitated from 75 ml of 0.25 mol/L silver nitrate, AgNO3(aq), by adding excess magnesium chloride, MgCl₂(aq)? 16. What mass of bromine gas can be collected by bubbling excess chlorine gas through 850 mL of a 0.350 mol/L solution of sodium bromide. NaBr(aq)? 17. What mass of strontium carbonate, SrCO,(s). can be precipitated trom 50.0 mL of 0.165 mol/L strontium EU nitrate, Sr(NO3)2( carbonate, NaCO3 18. Before it was banne non-selective toxic was the active ingre A chemist measured thallium(I) sulfate a potassium iodide to iodide, TII(s). The m was 2.45 g. Find the thallium(I) sulfate so 19. A sample of a substan ions was dissolved in volumetric flask. Ther treated with excess sil- precipitate of silver chl dried. The mass of the a. Calculate the conce b. If the original substa NaCl(s), what mass volumetric flask? 20. Food manufacturers som Ca(CH₂COO) (s), to sat When analyzed. a 250 m was found to contain 0.28 a. Find the molar concer acetate solution. acer b. What mass of calcium make the solution?
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