Use the References to access important values if needed for this question. The freezing point of water is 0.00C at 1 atmosphere. How many grams of copper(II) sulfate (159.6 g/mol), must be dissolved in 286.0 grams of water to reduce the freezing point by 0.500C 7 Refer to the table for the necessary boiling or freezing point constant. Solvent Formula Ky "C/m) Kr(C/m) Water H20 0.512 1.86 Ethanol CH,CH,OH 1.99 Chloroform CHCI Benzene CH 2.53 5.12 Diethyl ether CH CH OCH.CH 1.22 3.67 2.02 g copper(II) sulfate Submit Answer Retry Entire Group 9 more group attempts remaining [Review Topics [References) Use the References to access important values if needed for this question. The freezing point of water is 0.00C at 1 atmosphere. A student dissolves 12.44 grams of aluminum acetate, Al(CH3COO); (204.1 g/mol), in 284.9 grams of water. Use the table of boiling and freezing point constants to answer the questions below. Solvent Formula K(C/m) Kr(C/m) Water HO 0.512 1.86 Ethanol CH2CH2OH 1.22 1.99 Chloroform CHCl3 : 3.67 Benzene 66 2.53 5.12 Diethyl ether CH2CH OCH CH3 2.02 The molality of the solution is m. The freezing point of the solution is C Submit Answer Retry Entire Group 9 more group attempts remaining [Review Topics (References] Use the References to access important values if needed for this question. The boiling point of water is 100.00 C at 1 atmosphere. A student dissolves 11.45 grams of barium bromide, BaBrz (297.1 g/mol), in 175.3 grams of water. Use the table of boiling and freezing point constants to answer the questions below. Solvent Formula Ky C/m) Kr(C/m) Water HO 0.512 1.86 Ethanol CH2CH OH 1.22 1.99 Chloroform CHCI: 3.67 Benzene 2.53 Diethyl ether CH2CH OCH CH; 2.02 CH 5.12 The molality of the solution is m. Visited The boiling point of the solution is C. Submit Answer Retry Entire Group 9 more group attempts remaining