Modified Mastering Chemistry with Pearson eText -- Standalone Access Card -- for Chemistry: Structure and Properties (2nd Edition)
2nd Edition
ISBN: 9780134565613
Author: Nivaldo J. Tro
Publisher: PEARSON
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Chapter 8, Problem 87E
Interpretation Introduction
Interpretation:
“Mass of sodium phosphate is required for removal of Ca+2 and Mg+2 from a 1.5L solution” should be identified.
Concept introduction:
The phosphate ions react with Ca+2 and Mg+2 ions as:
3CaCl2 + 2Na3PO4 → Ca3(PO4)2 (s)+6NaCl
3Mg(NO3)2 + 2Na3PO4 → Mg3(PO4)2(s)+6NaNO3
Given:
Molarity of calcium chloride is 0.050M
Molarity of magnesium nitrate is 0.085M
Volume of hard water is 1.5 L
Molar mass of sodium phosphate is 163.94
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Chapter 8 Solutions
Modified Mastering Chemistry with Pearson eText -- Standalone Access Card -- for Chemistry: Structure and Properties (2nd Edition)
Ch. 8 - What is an aqueous solution? What is the...Ch. 8 - What is molarity? How is it useful?Ch. 8 - Explain how a strong electrolyte, a weak...Ch. 8 - What is an acid? Explain the difference between a...Ch. 8 - What does it mean for a compound to be soluble?...Ch. 8 - What are the solubility rules? How are they...Ch. 8 - Which cations and anions form compounds that are...Ch. 8 - What is a precipitation reaction? Give an example.Ch. 8 - How can you predict whether a precipitation...Ch. 8 - Explain how a molecular equation, a complete ionic...
Ch. 8 - Prob. 11ECh. 8 - Prob. 12ECh. 8 - Prob. 13ECh. 8 - Explain the principles behind an acid-base...Ch. 8 - Prob. 15ECh. 8 - Which reactant types give rise to gas-evolution...Ch. 8 - Prob. 17ECh. 8 - What are oxidation states? How can oxidation...Ch. 8 - What happens to a substance when it becomes...Ch. 8 - In a redox reaction, which reactant is the...Ch. 8 - Prob. 21ECh. 8 - Prob. 22ECh. 8 - What is the molarity of NO3- in each solution?...Ch. 8 - What is the molarity of Cl- in each solution?...Ch. 8 - Prob. 25ECh. 8 - Prob. 26ECh. 8 - A laboratory procedure calls for making 400.0 mL...Ch. 8 - Prob. 28ECh. 8 - If 123 mL of a 1.1 M glucose solution is diluted...Ch. 8 - If 3.5 L of a 4.8 M SrCl2 solution is diluted to...Ch. 8 - To what volume should you dilute 50.0 mL of a 12 M...Ch. 8 - Prob. 32ECh. 8 - Consider the precipitation reaction:...Ch. 8 - Consider the reaction:...Ch. 8 - What is the minimum amount of 6.0 M H2SO4...Ch. 8 - What molarity of ZnCl2forms when 25.0 g of zinc...Ch. 8 - You mix a 25.0 mL sample of a 1.20 M potassium...Ch. 8 - Prob. 38ECh. 8 - For each compound (all water soluble), would you...Ch. 8 - Classify each compound as a strong electrolyte or...Ch. 8 - Determine whether each compound is soluble or...Ch. 8 - Prob. 42ECh. 8 - Prob. 43ECh. 8 - Complete and balance each equation. If no reaction...Ch. 8 - Write a molecular equation for the precipitation...Ch. 8 - Write a molecular equation for the precipitation...Ch. 8 - Write balanced complete ionic and net ionic...Ch. 8 - Write balanced complete ionic and net ionic...Ch. 8 - Mercury ions (Hg22+) can be removed from solution...Ch. 8 - Lead ions can be removed from solution by...Ch. 8 - Name each acid. Hl(aq) HNO3(aq) H2CO3(aq)Ch. 8 - Name each acid HCI(aq) HClO2(aq) H2SO4(aq)Ch. 8 - Provide the formula for each acid hydrofluoric...Ch. 8 - Provide the formula for each acid phosphoric acid...Ch. 8 - Write balanced molecular and net ionic equations...Ch. 8 - Write balanced molecular and net ionic equations...Ch. 8 - Complete and balance each acid-base equation...Ch. 8 - Complete and balance each acid-base equation...Ch. 8 - Write balanced complete ionic and net ionic...Ch. 8 - Write balanced complete ionic and net ionic...Ch. 8 - A 25.00-mL sample of an unknown HClO4solution...Ch. 8 - A 30.00-mL sample of an unknown H3PO4 solution is...Ch. 8 - Complete and balance each gas-evolution equation:...Ch. 8 - Prob. 64ECh. 8 - Write a balanced equation for the reaction between...Ch. 8 - Prob. 66ECh. 8 - Assign oxidation states to each atom in each...Ch. 8 - Prob. 68ECh. 8 - Prob. 69ECh. 8 - Prob. 70ECh. 8 - Determine whether or not each reaction is a redox...Ch. 8 - Determine whether or not each reaction is a redox...Ch. 8 - Determine whether each redox reaction occurs...Ch. 8 - Determine whether each redox reaction occurs...Ch. 8 - Prob. 75ECh. 8 - Prob. 76ECh. 8 - Which metal in the activity series reduce Al3+...Ch. 8 - Prob. 78ECh. 8 - Prob. 79ECh. 8 - Prob. 80ECh. 8 - People often use sodium bicarbonate as an antacid...Ch. 8 - Toilet bowl cleaners often contain hydrochloric...Ch. 8 - Prob. 83ECh. 8 - Prob. 84ECh. 8 - Predict the products and write a balanced...Ch. 8 - Predict the products and write a balanced...Ch. 8 - Prob. 87ECh. 8 - Prob. 88ECh. 8 - Prob. 89ECh. 8 - A solution contains Cr3+ ion and Mg2+ ion. The...Ch. 8 - Find the volume of 0.110 M hydrochloric acid...Ch. 8 - Find the volume of 0.150 M sulfuric acid necessary...Ch. 8 - Treatment of gold metal with BrF3 and KF produces...Ch. 8 - We prepare a solution by mixing 0.10 L of 0.12 M...Ch. 8 - A solution contains Ag +and Hg2+ions. The addition...Ch. 8 - The water in lakes that have been acidified by...Ch. 8 - Recall from Section 8.5 that sodium carbonate is...Ch. 8 - A solution contains one or more of the following...Ch. 8 - A solution contains one or more of the following...Ch. 8 - Prob. 100ECh. 8 - Prob. 101ECh. 8 - Prob. 102ECh. 8 - Prob. 103ECh. 8 - Prob. 104ECh. 8 - Review the solubility rules. Without referring...Ch. 8 - Define and give an example of each of the...Ch. 8 - Prob. 107ECh. 8 - Prob. 108ECh. 8 - Prob. 1SAQCh. 8 - What mass (in grams) of Mg(NO3)2 is present in 145...Ch. 8 - Prob. 3SAQCh. 8 - Potassium iodide reacts with lead(ll) nitrate in...Ch. 8 - Which solution forms a precipitate when mixed with...Ch. 8 - What is the net ionic equation for the reaction...Ch. 8 - What is the net ionic equation for the reaction...Ch. 8 - What is the net ionic equation for the reaction...Ch. 8 - What is the oxidation state of carbon in CO32-? +3...Ch. 8 - Prob. 10SAQCh. 8 - Prob. 11SAQCh. 8 - Which of these ions will spontaneously react with...
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