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1 2 , H2 O, and C8 H18 . Which of them is/are soluble in CCl4 ?A) only I2 B) only H2 O C) only C8 H18 D) I2 and C8 H18 E) H2 O and C8 H18 2 A) brass B) stainless steel C) solder D) bronze E) galvanized iron 3 A) 715 kJ/mol B) -681 kJ/mol C) -715 kJ/mol D) -332 kJ/mol E) 681 kJ/mol 4 A) The solubility of all salts in water increases with temperature. B) The solubility of all salts in water decreases with temperature. C) The solubility of all salts in water is independent of temperature. D) The impact of temperature on solubility depends on the individual salt. E) Salts are insoluble in water. 5 A) decreases, increases B) decreases, decreases C) remains the same D) increases, increases E) increases, decreases 6 2 H5 OH, in water is 0.96 mol/kg. How many grams of alcohol are dissolved in 5.98 kg of water?A) 7.40 g B) 287.2 g C) 74.1 g D) 264.7 g E) 740 g 7 12 H22 O11 in 60.0 mL of 0.0880 M solution?A) 0.181 g B) 1.81 g C) 5.02 g D) 5.28 g E) none of the above 8 A) 24% B) 13% C) 50% D) 32% E) none of the above 9 4 )? The density of the solution is 1.23 g/mL.A) 5.6 M B) 1.2 M C) 1.7 M D) 7.9 M E) none of the above 10 A) 0.300% B) 12.5% C) 18.3% D) 30.0% E) none of the above 11 6 H12 O6 ) in 50 g of acetic acid (CH3 COOH). K f = 3.90°C/m , melting point = 16.6 °C.A) -1.41°C B) -31.27°C C) 16.32 °C D) 5.2 °C E) 11.4°C 12 A) 2.1 x 106 g/mol B) 2.4 x 105 g/mol C) 1.2 x 105 g/mol D) 2.9 x 105 g/mol E) 2.0 x 105 g/mol 13 6 H12 O6 , in 80 g of water?A) 16.8 torr B) 24.7 torr C) 0.49 torr D) 25.4 torr E) 14.1 torr 14 M solution of HCl is 35.9 atm at 18°C. Calculate the van't Hoff factor i for HCl at this concentration.A) 67.5 B) 4.17 C) 33.7 D) 0.18 E) 2.09 15 A) solid and liquid B) liquid and gas C) solid and solid D) liquid and liquid E) gas and gas
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