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

Nadine can send or receive a text message for 15 cents or get an unlimited number for 5 dollars. Write and solve an inequality to find how many messages she can

What two major processes are involved in the oxygen cycle?

Was the Gold Rush a good or bad thing for the United States?

two identical freight cars roll without friction towards each other on a level track. one car rolls 2 m/s the other 1 m/s. after the cars collide they couple an

If the speed of an object is tripled, its kinetic energy will be

How does transpiration play a role in the water cycle ?

What are two different ways to describe and label the layers of the Earth?

What is two thirds minus six thirds

How is the numeral 35.012 written in words and why

is it possible for a distance versus-time graph to be a vertical line?