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

The given series has six terms. what is the sum of the terms of the series? 17 + 25 + 33 + . . . + 57
How does Tam MOST LIKELY feel when Cam runs away with her fish? the passage is The Story of Cam and Tam
William sold half of his comic books and then bought 14 more he now has 24 with how many did he have in the beginning
What advantages are given to animals and plants by asexual reproduction?
an example of an binary compound is
Explain what happens during each of the four steps of mitosis: prophase, metaphase, anaphase, telophase
Which is the same as dividing 35 by 6
What is the slope of the line “ -3x+5y=2x+3y “ please help?
Can anyone tell me any stem innovation competition going on now?
What type of conjunction always comes in pairs?