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.

Question

22-09-2017
Chemistry

contestada

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.

Respuesta :

Otras preguntas

Which statement best completes the list? A. People should try to connect with nature. B. Rulers must treat their people fairly. C. Politicians will always try t

Jaden needs 2½ pounds of potatoes to feed 15 people at his Thanksgiving dinner. But, his friends called him and told him that each one will bring more friends.

A game of chance is played using a six-sided die. If a 1,2 or 3 is rolled the player wins $0 if a 4 or 5 is rolled the player wins $7. If a 6 is rolled the play

What key adaptation allowed the ferns to be successful and populate more areas than the bryophytes?

Who has the most influence over the President? why?

HELP NEEDED ASAP I AM CONFUSED PLEASE HELP :(

EGGNOG DO YOU LIKE EGGNOG??

I NEED HELP!! The amount of food a dog should eat daily is based on its weight. The picture shows the ratio of weight to cups of food. A photo of a dog is shown

The table and graph show the miles driven and gas used for two scooters.

laurenascough laurenascough · Answer 1 · 2017-09-22T12:45:59+02:00

laurenascough laurenascough

22-09-2017

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 :)

Answer Link