blagalsyrifash blagalsyrifash

26-11-2016
Chemistry

contestada

2.40 g of NH4Cl is added to 19.4 g of water. Calculate the molality of the solution.

Respuesta :

scme1702 scme1702

29-11-2016

Molality is the moles of solute per kg of solvent.

Moles of NH₄Cl = 2.4 / (14 + 4 x 1 + 35.5)
= 0.0448 mole

Molality = 0.0448 / (19.4 / 1000)
= 2.31 m

Answer Link

Otras preguntas

Which attribute disqualifies the object from being a planet?

College tuition at bedrock university has increased $500 per year for the past six years. Wilma is a freshman this year and paid $10,250 for her tuition. She is

The law of reflection states that if the angle of incidence is 38 degrees, the angle of reflection is ___ degrees.

True or false: data feeds provide a list of your inventory with important product details in google merchant center

Use point slope form to write the equation of the line that passes through (-3,4) and has a slope of 7

why do you believe Andrew Jackson was referred to as the "common man"

A single mother is raising her child in a poor country that is ravaged by civil war. In an attempt to escape to a better life they board a bus with some aide wo

what trade route connected Missouri and mexico in 1821?

Which of the following could not be considered a team sport? A. Wrestling B. Rowing C. Tennis D. Marathon race

Y=3x-4 Y-1/2x+3 Find coordinates and explain