H2SO4 NH4+ HClO4 Ag(OH) HF Sr(OH)2 There are two C5H10N correct answers. Mg(OH)2 Three are three What is the molarity correct answers. of a 23.15 g sample of None of the NH4CH3COO that is above. dissolved in water to How would you prepare give 800. mL of a 4.2 M solution of solution? MgO (MW = 40.3 g/mol)? 28.9 M 170 g MgO 0.240 M 9.6 g MgO 0.375 M 81 g MgO 2.66 M 430 g MgO Barium hydroxide is How many of the added to water to form following are soluble a 1 L solution. How in water? many moles of AgNO3, Ba(OH)2, hydroxide ions are in HgCH3COO, HClO3, the solution if 42 g Li3(PO4) Ba(OH)2 was added? One 21 mol OH- Two 0.25 mol OH- Three 0.49 mol OH- Four 2.47 mol OH- Five 4.9 mol OH- As temperature What do the following _________, liquid reactions represent? + solubility decreases, I)2CuNO3(aq) K2CO3(aq) 2KNO3(aq) and as pressure + Cu2(CO3)(s) _________ gas II)NH4+(l) + solubility increases. NH3(l) + Increases, CH3COOH(l) Increases II)HI(aq) + Rb(OH)(aq) Increases, RbI(aq) + H2O(l) Decreases Decreases, I) Precipitation Increases II/III) Acid-Base Decreases, I) Redox Decreases II/III) Which of the following Precipitation is a strong base? I) Precipitation
H2SO4 HClO4 HF There are two correct answers. Three are three correct answers. None of the above. How would you prepare a 4.2 M solution of MgO (MW = 40.3 g/mol)? 170 g MgO 9.6 g MgO 81 g MgO 430 g MgO How many of the following are soluble in water? AgNO3, Ba(OH)2, HgCH3COO, HClO3, Li3(PO4) One Two Three Four Five As temperature _________, liquid solubility decreases, and as pressure _________ gas solubility increases. Increases, Increases Increases, Decreases Decreases, Increases Decreases, Decreases Which of the following is a strong base? NH4+ Ag(OH) Sr(OH)2 C5H10N Mg(OH)2 What is the molarity of a 23.15 g sample of NH4CH3COO that is dissolved in water to give 800. mL of solution? 28.9 M 0.240 M 0.375 M 2.66 M Barium hydroxide is added to water to form a 1 L solution. How many moles of hydroxide ions are in the solution if 42 g Ba(OH)2 was added? 21 mol OH- 0.25 mol OH- 0.49 mol OH- 2.47 mol OH- 4.9 mol OH- What do the following reactions represent? I)2CuNO3(aq) + K2CO3(aq) 2KNO3(aq) + Cu2(CO3)(s) II)NH4+(l) + NH3(l) + CH3COOH(l) II)HI(aq) + Rb(OH)(aq) RbI(aq) + H2O(l) I) Precipitation II/III) Acid-Base I) Redox II/III) Precipitation I) Precipitation
chem_111_mock_final_exam_fall_2017.docx