maddygabbard7945 maddygabbard7945
  • 03-08-2022
  • Chemistry
contestada

A solution is made by dissolving 42.3g of potassium hydroxide in 329g of water what is the molality of the solution?

Respuesta :

jsimpson11000 jsimpson11000
  • 03-08-2022

Answer:

2.34 molality

Explanation:

Mole weight of KOH ( using periodic table ...rounded to 3 s.f.) =

              56.1 gm/mole

Number of moles in 43.2 g

  43.2 g  /  56.1 gm / mole =.770 mole

molality = .770 mole / .329 kg = 2.34 m

Answer Link

Otras preguntas

How to solve problem 13
What would a cheap fiance buy his bride to be? Can I have an answer for this using one of the elements on the periodic table?
14=-3y i need help solving this
Write the value of the underlined digit four ways. 5,678.321 (the 2 is underlines)
What did the Scout say after fixing the little old ladies Bicycle horn
In "The Jilting of Granny Weatherall", what is the story's theme?
in what ways do u think the nation changed between Washington and inauguration and the election of 1800?
Rachel and her friends eat 5/4 pizzas. How can you write the amount of pizza they ate as a mixed number?
Narrate a scene where Macbeth and Lady Macbeth prepare for Banquo’s funeral and tell the story of their interaction. Please help
Is 4/6 equivalent to 6/9