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FALL 2018, CHEM 110 001, Home 6 1. Consider a reaction between hygen and oxygen to form water. H2(g) + O2(g) 2 H20 (1) How many grams of water can be produced from 26.0g of hydrogen? How many grams of oxygen are consumed( Oxygen is excess reactant.) 2. Consider the following reaction: CH. (g) +202 (g) 2H20 (1) + CO2(g) How many grams of CO2 (g) and H20 (1) can be produced from 2.00 g CH4 (g). How many grams of oxygen are consumed? (oxygen is excess reactant). 3. Elemental Phosphorus and sulfur react to form PS3: 8P4 +353 8P4S3 If153 g of Pe reacts with excess amount of sulfur, what mass of PaSz can be produced? What mass of Sg are consumed? 4. Elemental Phosphorus and sulfur react to form P4S3: 8P4 +358 2 8P4S3 28.2 g of Sg is allowed to react with 18.3 g of Pa. a. What mass of P Sz are produced? b. Which is the excess reactant? c. What mass of excess reactant are consumed? 5. The compound diborane, B2H6, can be produced by the following reaction: 3LIBH4 + BF32 2B2H6+ 3LIF If62.4g of LiBH4 is combined with 24.6g of BF3, what mass of B2Ho and LIF can be produced? 1. For each of the following, decide whether a precipitation reaction occurs. If it does, write the balanced molecular equation, total ionic equation, and net ionic equations. If no reaction occurs, write the formulas of reactants followed by an arrow and then NR (no reaction). a. Aqueous solutions of sodium chloride and iron (11) nitrate are mixed b. Aqueous solutions of aluminum sulfate and sodium hydroxide are mixed. c. Aqueous solutions of sodium iodide and lead (11) acetate are mixed. d. Aqueous solutions of potassium carbonate and Barium chloride are mixed. e. Aqueous solutions of sodium carbonate and sulfuric acid are mixed. 2. Write molecular, total ionic, and net ionic equations for the following acid And base reactions. a. Hydrochloric acid and calcium hydroxide. b. acetic acid potassium hydroxide. c. Sulfuric acid and barium hydroxide. d. Nitric acid sodium hydroxide. e. Perchloric acid and Strontium hydroxide. 6 p P Some common ions Name Formula Name Formula Lithium cation Sodium cation -> Na Magnesium cation Calcium cation Barium cation Aluminum cation Nitride anion -- > Z 3- N Sulfide anion Bromide anion oxide anion Hydride anion Chloride anion Nitrite anion Sulfite anion Sulfate anion Nitrate anion Ammonium cation Mercury (11) cation 2- Carbonate anion Acetate anion Cos 3- Hydroxide anion Phosphate anion -> — Iron (11) cation PO4 Iron (III) cation Copper (11) cation Copper (1) cation Cobalt (11) cation Nickel (11) cation Perchlorate Anion Hydrogen sulfate anion Chlorite anion Chlorate anion giri F C Fall 2018 CHEM 110 001 Homework #4 Name Formula Solubility Bromide AgBr Insoluble, Rule # 3 Lead Chloride Ammonium iodide Potassium Sulfate Siver Carbonate Ag2CO3 Soluble, Rule # 2 Ammonium Phosphate Silver Nitrate Lead (11) Nitrate Lead (11) acetate trongd (11) Nitrate Silver Sulfate Lead (11) Sulfate Magnesium Nitrate Magnesium Sulfate Sodium Hydroxide Calcium Hydroxide Iron (III) Hydroxide Barium Nitrate Iron (III) Sulfate
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