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 are the solutions to 10 + y = 5x + x2 5x + y = 1 PLEASE HELP

Complete the work to find the length of HD. Use the side-splitter theorem to set up a proportion. Substitute in the known side lengths. Cross-multiply an

How did lincoln immediately respond to the southern states seceding?

Yo me podía ______ en la sociedad. Integrar Solicitar Edificar Huir

studies show that the ocean surface temperature is increasing which of the following is a possible consequences

The agency responsible for promoting public health by providing free immunization programs and educating health workers is the: A) Department of Health and Hum

Determine the GCF of 56f3 g2 and 70fg3 ? a)7fg2 b)7f3 g3 c)14fg2 d)14f3 g3

Ammonia gas occupies a volume of 450 mL at a pressure of 90 kPa. What volume will it occupy at standard pressure?

Suppose you are organizing a business meeting and are in charge of facilitating the introductions. How would you arrange a group of n people so each person can

1. The bodies of adult humans are composed of 55-60% water. Using the information from this unit on specific heat and heat transfer, how does the water help us