A 550 G Solution at 27 $\degree$ C Is Produced by Mixing 0

question 19

Multiple Choice

A 550 g solution at 27.27 $\degree$ C is produced by mixing 0.800 mol hydrocyanic acid with 0.800 mol potassium hydroxide (40.00 g/mol) in water initially at 23.20 $\degree$ C.Calculate the molar enthalpy of neutralization of HCN with KOH.Assume that the heat capacity of the solution is 4.18 J/(g . $\degree$ C) .

• A)13.1 kJ/mol
• B)(-5.85 kJ/mol)
• C)5.85 kJ/mol
• D)(-11.7 kJ/mol)
• E)11.7 kJ/mol

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