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General Chemistry - Standalone boo...

11th Edition
Steven D. Gammon + 7 others
Publisher: Cengage Learning
ISBN: 9781305580343
BuyFind

General Chemistry - Standalone boo...

11th Edition
Steven D. Gammon + 7 others
Publisher: Cengage Learning
ISBN: 9781305580343

Solutions

Chapter 21, Problem 21.185QP
Textbook Problem

The main ingredient in many phosphate fertilizers is Ca(H2PO4)2·H2O. If a fertilizer is 17.1% P (by mass), and all of this phosphorus is present as Ca(H2PO4)2·H2O, what is the mass percentage of this salt in the fertilizer?

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Chapter 21 Solutions

General Chemistry - Standalone book (MindTap Course List)
Ch. 21 - Explain metallic conduction in terms of molecular...Ch. 21 - Give the commercial source of each of the...Ch. 21 - Give equations for the reactions of lithium and...Ch. 21 - Write the equation for the reaction of lithium...Ch. 21 - Which do you expect to be more reactive, lithium...Ch. 21 - Ethanol, C2H5OH, reacts with sodium metal because...Ch. 21 - a Write electrode half-reactions for the...Ch. 21 - How is sodium hydroxide manufactured? What is...Ch. 21 - Describe common uses of the following sodium...Ch. 21 - Describe the main step in the Solvay process. Give...Ch. 21 - Because magnesium reacts with oxygen, steam, and...Ch. 21 - a Calcium oxide is prepared industrially from what...Ch. 21 - Calcium carbonate is used in some antacid...Ch. 21 - Purified calcium carbonate is prepared by...Ch. 21 - Write the chemical equation of the thermite...Ch. 21 - What are some major uses of aluminum oxide?Ch. 21 - How is aluminum sulfate used to purify municipal...Ch. 21 - Lead(IV) oxide forms the cathode of lead storage...Ch. 21 - Why are lead pigments no longer used in house...Ch. 21 - The yellow paint pigment chrome yellow [lead(II)...Ch. 21 - Describe the reactions that are used in the...Ch. 21 - Give the names and symbols for the three isotopes...Ch. 21 - Explain why hydrogen has the potential to be...Ch. 21 - Give an example of a compound of each of the...Ch. 21 - What is meant by the term catenation? Give an...Ch. 21 - Carbon monoxide is a poisonous gas. What is the...Ch. 21 - Write equations for the equilibria involving...Ch. 21 - Describe the steps in preparing ultrapure silicon...Ch. 21 - Use structural formulas to illustrate the...Ch. 21 - Describe the natural cycle of nitrogen from the...Ch. 21 - Describe Rutherfords preparation of nitrogen from...Ch. 21 - List the different nitrogen oxides. What is the...Ch. 21 - In your own words, describe the manufacture of...Ch. 21 - Describe the steps in the Ostwald process for the...Ch. 21 - Describe the structure of white phosphorus. How...Ch. 21 - Give chemical equations for the reaction of white...Ch. 21 - Describe two different methods used to manufacture...Ch. 21 - By means of an equation, show how triphosphoric...Ch. 21 - What is the purpose of adding polyphosphates to a...Ch. 21 - What reaction was used by Priestley in preparing...Ch. 21 - What is the most important commercial means of...Ch. 21 - Define oxide, peroxide, and superoxide. Give an...Ch. 21 - Give an example of an acidic oxide and a basic...Ch. 21 - List three natural sources of sulfur or sulfur...Ch. 21 - Describe the structure of the rhombic sulfur...Ch. 21 - Discuss the various allotropes of sulfur and...Ch. 21 - Describe the Frasch process for mining sulfur.Ch. 21 - With the aid of chemical equations, describe the...Ch. 21 - Give equations for preparing each of the...Ch. 21 - Give equations for the steps in the contact...Ch. 21 - Write equations for each of the following. a...Ch. 21 - Give the equation for the reaction used by the...Ch. 21 - Complete and balance the following equations....Ch. 21 - A test tube contains a solution of one of the...Ch. 21 - What are some major commercial uses of chlorine?Ch. 21 - How is sodium hypochlorite prepared? Give the...Ch. 21 - Describe the preparation of perchloric acid from...Ch. 21 - What was the argument used by Bartlett that led...Ch. 21 - Which of the following are used in the production...Ch. 21 - In which of the following is nitrogen or...Ch. 21 - The major use of Ca3(PO4)2 is in a the tempering...Ch. 21 - Sodium hypochlorite is used in laundry bleach. The...Ch. 21 - When producing coke, why is the coal heated in the...Ch. 21 - Even though hydrogen isnt a metal, why is it in...Ch. 21 - What happens to the metallic character of the...Ch. 21 - Lithium hydroxide, like sodium hydroxide, becomes...Ch. 21 - Aluminum hydroxide is an amphoteric substance....Ch. 21 - Tin metal would not make a very good structural...Ch. 21 - Oxygen, like other second-period elements, is...Ch. 21 - Given that the reaction...Ch. 21 - Hydrogen chloride can be prepared by heating NaCl...Ch. 21 - Do you expect an aqueous solution of sodium...Ch. 21 - Pure iron is prepared for special purposes by...Ch. 21 - Manganese is available from its ore pyrolusite,...Ch. 21 - How many kilograms of iron can be produced from...Ch. 21 - How many kilograms of manganese can be produced...Ch. 21 - Using thermodynamic data given in Appendix C,...Ch. 21 - Using thermodynamic data given in Appendix C,...Ch. 21 - Sketch a diagram showing the formation of energy...Ch. 21 - Sketch a diagram showing the formation of energy...Ch. 21 - How many energy levels are there in the valence...Ch. 21 - How many energy levels are there in the 3p band of...Ch. 21 - Caustic soda, NaOH, can be manufactured from...Ch. 21 - Sodium phosphate, Na3PO4, is produced by the...Ch. 21 - Complete and balance the following equations, a...Ch. 21 - Complete and balance the following equations. a...Ch. 21 - Francium was discovered as a minor decay product...Ch. 21 - Francium-223 is a radioactive alkali metal that...Ch. 21 - Sodium hydroxide and calcium hydroxide are strong...Ch. 21 - Potassium hydroxide and barium hydroxide are...Ch. 21 - Devise a chemical method for separating a solution...Ch. 21 - Devise a chemical method for separating a solution...Ch. 21 - Thorium-230, which occurs in uranium minerals,...Ch. 21 - A short-lived isotope of radium decays by alpha...Ch. 21 - Complete and balance the following equations. a...Ch. 21 - Complete and balance the following equations. a...Ch. 21 - You have a 0.19 M solution of calcium hydrogen...Ch. 21 - You have a 0.28 M solution of magnesium ion. How...Ch. 21 - Baking powders contain sodium (or potassium)...Ch. 21 - When aluminum sulfate is dissolved in water, it...Ch. 21 - The following solid substances are in separate but...Ch. 21 - Unlabeled test tubes contain solid AlCl36H2O in...Ch. 21 - The Sn2 (aq) ion can be written in more detail as...Ch. 21 - Lead(II) nitrate, one of the few soluble lead...Ch. 21 - Lead(IV) oxide is a strong oxidizing agent. For...Ch. 21 - Lead(IV) oxide can be prepared by oxidizing...Ch. 21 - Complete and balance the following equations. a...Ch. 21 - Complete and balance the following equations. a...Ch. 21 - Calculate the amount of heat evolved when 3.5 104...Ch. 21 - How much heat will be evolved when 22.7 grams of...Ch. 21 - Indicate the oxidation state for the element noted...Ch. 21 - Indicate the oxidation state for the element noted...Ch. 21 - Describe the bonding (using valence bond theory)...Ch. 21 - Describe the bonding (using valence bond theory)...Ch. 21 - Calculate the standard enthalpy change for the...Ch. 21 - Calculate the standard enthalpy change for the...Ch. 21 - Complete and balance the following equations. a...Ch. 21 - Complete and balance the following equations. a...Ch. 21 - Use balanced equations to show how you could...Ch. 21 - Use balanced equations to show how you could...Ch. 21 - Silicon has a diamond-like structure, with each Si...Ch. 21 - Silicon carbide, SiC, has a structure in which...Ch. 21 - Silicon is prepared by reducing silicon dioxide...Ch. 21 - Silicon is purified by first converting it to...Ch. 21 - Draw a portion of the structure of the mineral...Ch. 21 - Draw a portion of the structure of the mineral...Ch. 21 - Magnesium nitride, Mg3N2, reacts with water to...Ch. 21 - Ammonia reacts with oxygen in the presence of a...Ch. 21 - You have the following substances: NH3, O2, Pt,...Ch. 21 - Give equations for the preparation of N2O. You can...Ch. 21 - Zinc metal reacts with concentrated nitric acid to...Ch. 21 - Silver metal reacts with nitric acid to give...Ch. 21 - Although phosphorus pentabromide exists in the...Ch. 21 - Although phosphorus pentachloride exists in the...Ch. 21 - Phosphorous acid, H3PO3, is oxidized to phosphoric...Ch. 21 - Phosphorous acid, H3PO3, is oxidized to phosphoric...Ch. 21 - According to an analysis, a sample of phosphate...Ch. 21 - According to an analysis, a sample of phosphate...Ch. 21 - Write an equation for each of the following. a...Ch. 21 - Write an equation for each of the following. a...Ch. 21 - What are the oxidation numbers of sulfur in each...Ch. 21 - What are the oxidation numbers of sulfur in each...Ch. 21 - Selenous acid, H2SeO3, is reduced by H2S to...Ch. 21 - Concentrated sulfuric acid oxidizes iodide ion to...Ch. 21 - Sodium hydrogen sulfite is prepared from sodium...Ch. 21 - Sodium thiosulfate, Na2S2O3, is prepared from...Ch. 21 - A solution of chloric acid may be prepared by...Ch. 21 - A solution of chlorous acid may be prepared by...Ch. 21 - Chlorine can be prepared by oxidizing chloride ion...Ch. 21 - Iodic acid, HIO3, can be prepared by oxidizing...Ch. 21 - Discuss the bonding in each of the following...Ch. 21 - Discuss the bonding in each of the following...Ch. 21 - Write balanced equations for each of the...Ch. 21 - Write balanced equations for each of the...Ch. 21 - By calculating the standard emf, decide whether...Ch. 21 - Using standard electrode potentials, decide...Ch. 21 - Xenon tetrafluoride, XeF4, is a colorless solid....Ch. 21 - Xenon tetroxide, XeO4, is a colorless, unstable...Ch. 21 - Xenon difluoride, XeF2, is hydrolyzed (broken up...Ch. 21 - Xenon trioxide, XeO3, is reduced to xenon in...Ch. 21 - A sample of zinc ore contains 87.0% sphalerite,...Ch. 21 - A sample of lead ore contains 78.0% galena, PbS....Ch. 21 - A 50.00-mL volume of 0.4987 M HCl was added to a...Ch. 21 - An antacid tablet consists of calcium carbonate...Ch. 21 - Calculate the standard enthalpy change, H, for the...Ch. 21 - Calculate the standard enthalpy change, H, for the...Ch. 21 - A sample of limestone was dissolved in...Ch. 21 - A sample of rock containing magnesite, MgCO3, was...Ch. 21 - How many grams of sodium chloride are required to...Ch. 21 - How many grams of aluminum are required to react...Ch. 21 - Estimate the temperature at which strontium...Ch. 21 - Estimate the temperature at which barium carbonate...Ch. 21 - Calculate E for the disproportionation of In (aq)....Ch. 21 - Calculate E for the disproportionation of Tl+...Ch. 21 - Lithium hydroxide has been used in spaceships to...Ch. 21 - Potassium chlorate, KClO3, is used in fireworks...Ch. 21 - The main ingredient in many phosphate fertilizers...Ch. 21 - A fertilizer contains phosphorus in two compounds,...Ch. 21 - NaClO solution is made by electrolysis of NaCl(aq)...Ch. 21 - Sodium perchlorate, NaClO4, is produced by...Ch. 21 - The amount of sodium hypochlorite in a bleach...Ch. 21 - Ascorbic acid, C6H8O6 (vitamin C), is a reducing...Ch. 21 - What is a superconductor? What is one use of...Ch. 21 - In 1986, Bernorz and Mller received the Nobel...Ch. 21 - How was the molecule C60 first discovered?...Ch. 21 - What makes C60 such a stable molecule? What shape...Ch. 21 - A 0.325-g sample of sulfur was burned in an excess...Ch. 21 - a Nitrogen dioxide can be prepared by heating lead...Ch. 21 - Sulfur is formed in volcanic gases when sulfur...Ch. 21 - Use thermodynamic data to calculate the standard...Ch. 21 - A sample of a metal sulfide weighing 6.125 g was...Ch. 21 - A mixture contained aluminum sulfate and sodium...Ch. 21 - A quantity of white phosphorus was burned in an...Ch. 21 - A white crystalline material contained sodium...Ch. 21 - When carbon bums in air, carbon dioxide is a...Ch. 21 - Write the chemical equation for the reaction of...

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