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.)

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01-03-2018
Chemistry

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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.)

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kenmyna kenmyna · Answer 1 · 2018-03-11T07:27:36+01:00

kenmyna kenmyna

11-03-2018

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

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jewellowens jewellowens · Answer 2 · 2020-10-15T15:18:59+02:00

jewellowens jewellowens

15-10-2020

Answer:

2.84 mol

Explanation:

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