contestada

How many moles of NH4NO3(s) must be dissolved in water so that 73.0 kJ of heat is absorbed from the water? (The molar heat of solution of NH4NO3 is 25.7 kJ/mol.)

Respuesta :

kenmyna
25 kj  absorbed  by  dissolving  1 mole of  NH4NO3

1kj  is   absorbed  by  dissolving =  1/25.7 =  0.03891  moles
what  about  73  kj  absorbed  by  dissolving

0.03891  x73=  2.8404 moles

Answer:

2.84 mol

Explanation: