Chapter 4: Q4.41P (page 180)
Is the total ionic equation the same as the net ionic equation when and react? Explain.
Short Answer
Answer
Yes, the total ionic equation is the same as the net ionic equation when
and react.
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Chapter 4: Q4.41P (page 180)
Is the total ionic equation the same as the net ionic equation when and react? Explain.
Answer
Yes, the total ionic equation is the same as the net ionic equation when
and react.
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Sodium peroxide (Na2O2) is often used in self-contained breathing devices, such as those used in fire emergencies, because it reacts with exhaled CO2 to form Na2CO3 and O2. How many liters of respired air can react with 80.0 g of Na2O2 if each liter of respired air contains 0.0720 g of CO2?
Identify the oxidizing and reducing agents in the following:
A chemist mixes solid AgCl, CuCl2, and MgCl2 in enough water to give a final volume of 50.0 mL.
(a) With ions shown as spheres and solvent molecules omitted for clarity, which of the following best represents the resulting mixture?
(b) If each sphere represents 5.0x10-3mol of ions, what is the total concentration of dissolved(separated) ions?
(c) What is the total mass of solid?
In the process of pickling, rust is removed from newly produced steel by washing the steel in hydrochloric acid:
During the process, some iron is lost as well:
(a) Which reaction, if either, is a redox process? (b) If reaction 2 did not occur and all the HCl were used, how many grams of Fe2O3 could be removed and FeCl3 produced in a 2.50x103-L bath of 3.00 MHCl? (c) If reaction 1 did not occur and all the HCl were used, how many grams of Fe could be lost and FeCl2 produced in a 2.50x103-L bath of 3.00 MHCl? (d) If 0.280 g of Fe is lost per gram of Fe2O3 removed, what is the mass ratio of FeCl2to FeCl3?
Sodium hydroxide is used extensively in acid-base titrations because it is a strong, inexpensive base. A sodium hydroxide solution was standardized by titrating 25.00 mL of 0.1528 M standard hydrochloric acid. The initial buret reading of the sodium hydroxide was 2.24 mL, and the final reading was 39.21 mL. What was the molarity of the base solution?
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