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D Question 7 4 pts Which of the following substances has the lowest solubility in water?...
Question 5 4 pts Choose the pair of substances that are most likely to form a homogeneous solution. A) CH3CH2NH2 and CH3CH2OH B) KI and Hg C) LiCl and CH 14 D) C3Hg and C2H5OH OB ОА Ос OD 4 pts Question 6
Which of the following substances has greatest solubility in water? SA CUCI, Ksp = 19x 10-7 • PbF2, Ksp = 3.6 x 10-8 Cds, Ksp - 1.0 x 10-24 SrS04, Ksp = 3.2 107 Ba(103)2, Ksp - 1.5 x 10-9
4 pts Question 8 Choose the aqueous solution that has the lowest boiling point. These are all solutions of nonvolatile. A) 0.20 m NaNO2 B) 0.20 m K2PO4 C) 0.20 m C6H1206 D) 0.20 m KAl(SO4)2 ОА ОВ Ос OD 4 pts Question 9
4 pts Question 15 Identify the place which has the highest boiling point of water. A) Death Valley, 282 feet below sea level B) a pressurized passenger jet, 35,000 feet C) New Orleans, sea level D) Mt. Everest, 29,035 feet OD OB ос ОА 4 pts Question 16
Question 9 (0.1 points) Which of the following salts have the highest and the lowest molar solubility in water? AgBr Ksp= 5*10-13 Ag2SO3 Ksp= 1.5*10-14 Ag3PO4 Ksp=1.8*10-18 LaF3 Ksp= 2*10-19 Mg3(PO4)2 Ksp=1*10-25 The lowest LaF3, the highest Ag2SO3 The lowest Ag2SO3, the highest Ag3PO4 The lowest AgBr the highest Ag3PO4 The lowest Mg3(PO4)2, the highest AgBr
10) Which of the following salts has the lowest solubility in water? COCO3 Ksp = 1.0 x 10-10 b) Agl Ksp=8.3 x 10-17 ) CdS Ksp = 1.0 x10-24 d) CuCl Ksp = 1.9 x10
Question 9 4 pts Which of the following species is amphoteric? A) CO32- B) HF C) NH* D) HPO 2 ОА OD OB Ос 4 pts Question 10
Which of the following salts has the highest molar solubility in water? Opbla (Ksp = 6.5 x 10-9 Fe(OH)2 (Ksp = 8 x 10-16) AgBr (Ksp = 5.0 x 10-13) Ni(OH)2 (Ksp - 2.0 x 10-15) SrCoz (Ksp = 9,3 * 10-10)
1) Write the solubility-product expression for the following mercury salts: Hg2Cl2 and HgCl2. 2) Exactly 0.133 mg of AgBr will dissolve in 1.00 L of water. What is the value of Ksp for AgBr? 3) By experiment, it is found that 1.2 x 10-3 mol of lead (II) iodide, PbI2, dissolves in 1.0 L of water at 25°C. What is the Ksp at this temperature? 4) What is the molar solubility of silver chloride in 1.0 L of solution that...
Question 13 4 pts Which of the following hydrocarbons has one pi bond and one cycloalkane? A) C6H8 B) C5Hg C) C3H8 D) C4H8 OB ОА Ос OD 4 pts