What is the boiling point elevation when ammonia (NH3) is dissolved in water to form a 3.5 molal solution? Kb for water is 0.52

Question

lakkis [162]

2 years ago

6

What is the boiling point elevation when ammonia (NH3) is dissolved in water to form a 3.5 molal solution? Kb for water is 0.52

°C / m.

Chemistry

1 answer:

bulgar [2K] · Answer 1 · 2022-05-15T18:03:58+03:00

bulgar [2K]2 years ago

4 0

<span>No. of moles of ammonia: 11.4/(14+3) = 0.671mol
molality of solution: 0.671/0.2 = 3.35mol/kg
Change in temp: Kb x molality = 0.52x 3.35=1.74

Hope this helps :)
</span>