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A) A student completely dissolves 5.16 mol of Ca(OH)2 in water. i) Which equation is the dissociation equation for Ca(OH)2 in water A. Ca(OH) 2 (s) + H20 ---> CaO(aq) + O 2 (g) + 2 H 2 (g) C. Ca(C B. Ca(OH) 2 (s) ---> Ca 2+ (aq) + 2 OH (aq) D. Ca(C

A) A student completely dissolves 5.16 mol of Ca(OH)2 in water. i) Which equation is the dissociation equation for Ca(OH)2 in water A. Ca(OH) 2 (s) + H20 ---> CaO(aq) + O 2 (g) + 2 H 2 (g) C. Ca(C B. Ca(OH) 2 (s) ---> Ca 2+ (aq) + 2 OH (aq) D. Ca(C

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter12: Solutions
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A) A student completely dissolves 5.16 mol of Ca(OH)2 in water. i) Which equation is the dissociation equation for Ca(OH), in water? (Give the letter choice)| A. Ca(OH) 2 (s) + H 20 ---> CaO(aq) + O 2 (g) + 2 H 2 (g) С. Са(ОН) 2 (s) --> Са 2+ (aq) + 20 2- (aq) + 2H * (aq) В. Cа(ОН) 2 (s) ---> Са 2" (аq) + 2 ОН (аq) D. Ca(ОН) 2 (s) --> CаН 2 (aq) + O 2 (g) ii) How many total moles of ions are released from the 5.16 mol of Ca(OH)2 ? mol of ions B) A sample of FeCl3 is completely dissolved in water. i) Which is the dissociation equation for FeCl3 in water? (Give the letter choice) A. FeCl 3 (s) + H 20 ---> FeCl 2 (aq) + HCI(aq) + OH (aq) C. FeCl (s) ---> Fe 3+ (aд) + Cl 2 (aq) + Cl (aq) 3 В. FeCl 3 (s) + Н20 ---> FEHCI (aq) + ОН " (aq) D. FeCl 3 (s) ---> Fe 3+ (ад) + 3 CI (аq) ii) How many total moles of ions are released if 5.71 x1019 formula units of FeCl3 were completely dissolved? (NOTE: Write answer in sci. notation using "E" or "e" to replace "x 10" & do NOT leave any space between the numbers and letter, e.g., 1.2E3 or 1.1e-4.) mol of ions
Transcribed Image Text:A) A student completely dissolves 5.16 mol of Ca(OH)2 in water. i) Which equation is the dissociation equation for Ca(OH), in water? (Give the letter choice)| A. Ca(OH) 2 (s) + H 20 ---> CaO(aq) + O 2 (g) + 2 H 2 (g) С. Са(ОН) 2 (s) --> Са 2+ (aq) + 20 2- (aq) + 2H * (aq) В. Cа(ОН) 2 (s) ---> Са 2" (аq) + 2 ОН (аq) D. Ca(ОН) 2 (s) --> CаН 2 (aq) + O 2 (g) ii) How many total moles of ions are released from the 5.16 mol of Ca(OH)2 ? mol of ions B) A sample of FeCl3 is completely dissolved in water. i) Which is the dissociation equation for FeCl3 in water? (Give the letter choice) A. FeCl 3 (s) + H 20 ---> FeCl 2 (aq) + HCI(aq) + OH (aq) C. FeCl (s) ---> Fe 3+ (aд) + Cl 2 (aq) + Cl (aq) 3 В. FeCl 3 (s) + Н20 ---> FEHCI (aq) + ОН " (aq) D. FeCl 3 (s) ---> Fe 3+ (ад) + 3 CI (аq) ii) How many total moles of ions are released if 5.71 x1019 formula units of FeCl3 were completely dissolved? (NOTE: Write answer in sci. notation using "E" or "e" to replace "x 10" & do NOT leave any space between the numbers and letter, e.g., 1.2E3 or 1.1e-4.) mol of ions
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