Chem

The heat of vaporization of ammonia is 23.4 kj/moles. How much heat is required to vaporize 1.00kg of ammonia? How many grams of water at 0 degree celcius could be frozen to ice at 0 degree celcius by evaporation of this Amount of ammonia?

I got the kj by doing the layout 1,000 g nh3 x 1/17.0 g/mol nh3 x -23.4/1 mol nh3 = 1.37 x 10 ^3 kj nh3 its the second part to find the grams is the problem for me. Please help

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