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

Which of the kingdoms has the smallest number of known species

A farmer hauled in 120 bales of hay. Each of his cows ate 1 1/4 bales. How many cows the farmer feed?

Jim’s allowance is $1.20 per week. Stan’s is 25¢ per day. How long will they have to save, if they save both their allowances together, before they can get a m

Which of the following can be considered fossils? a. a 1 billion year-old rock. b. a 1 billion year-old piece of amber. c. a 1 billion year-old piece of amber w

After what happened on April 19 can war between the colonies and Great Britain be avoided?

If a slope of a line is 2/0 is it 0 or undefined?

which factor made the most difference in how agriculture affected the economies of the colonies?

“The genetic code is universal.” Explain this statement.

5x+4y+100 in slope intercept form

“The genetic code is universal.” Explain this statement.