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

What is the difference between federalism and separation of powers

Write the polynomial in standard form.–7x^2 – x^3 + x^ 5 + 2 A. x^5 + x^3 + 7x^2 + 2 B. x^5 – x^3 – 7x^2 + 2 C. –7x^2 – x^3 + x^5 + 2 D. 7x^2 + x^3 + x^5 + 2

a cube has surface area 6534 square feet. what is the volume

What is the prefix for discrete English

Air pollution affects everyone equally. True or false?

Can a change in matter take place in which energy is neither released nor absorbed?

Write the word form and tell the value of the underlined digit. 9,000,009 the first 9 is underlined

A first year Master Chef was hired in Whitehorse, Yukon at an annual salary of $52,000. What would her gross pay each pay cheque be if she was paid Semi-Monthly

Search results for "2.3 times 6.9 and complete the problem 6.9 divided by 2.3! Answer the question: did you notice anything that connect these two problems?"

Are pansies monocots or dicots?