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 y intercept of the lline 2x-3y=-12

What expression is equivalent to (5z²+3z+ 2)²? O 5z²+3z²+4 5z²+9z²+4 25z4+30z³+19z²+12z+4 O 25z4+30z³+29z²+12z+4

Why was Pizarro’s timing for conquest perfect?

does right circular cone have apex?

2. Choisir une image à traiter et la sauvegarder dans le même dossier que le code Python à télécharger du Doc. 4. Lancer le programme et expliquer à quoi il ser

Record a long-term investment on 1/13/20 to E-Trade (a new vendor), check: 324, amount: $5,700, category: Investments.

A flexible container holds 1.50 moles of air and is currently expanded to 13.5 L in volume. What is the volune of the container if the number of moles of air is

Which of the expressions are equivalent to the one below? Check all that apply. (5.1)-7 A. (15)-7 B. 5. (1+7) C. (5+1)-7 D. 7+ (15) apex. pic below.

2. Which point of view does Saki use in "The Open Window" to build suspense and deliver a surprise ending? O first person O third-person limited O second person

What is bondage and discipline? (B-D)