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 nurse is performing a physical assessment on a pregnant woman at 18 weeks' gestation and documents the following: vaginal bleeding, a uterus that is larger

Add the expression -2.4n-3 and -7.8n 2

7-5x= -2x-14 solve for x

Why do humans have emotions

what is cristiano ronaldo biggest fantasy

For the reaction ?Li+?N2 →?Li3N, what is the maximum amount of Li3N which could be formed from 13.82 g of Li and 0.338 mol of N2? Answer in units of mol.

Currently, Samsung ships 21.9% of the OLED displays in the world. Let s v the event that a randomly selected o l e d display was made by Samsung. What are the o

do this fo me u a loccccc

The sum of two numbers is 3. One number is twice the second number plus 12.

the shape of the top surface of a table is a trapezium find its area if its paralel sides are 1m and 1.2m and perpendicular distance between?