eelsel9155 eelsel9155

26-04-2018
Chemistry

contestada

What mass of water must be used to make a 1.35 m solution that contains 8.20 mol NaOH?

Respuesta :

Dejanras Dejanras

06-05-2018

Answer is: mass of water is 6.07 kilograms.
b(NaOH) = 1.35 m.
n(NaOH) = 8.20 mol.
b(NaOH) = n(NaOH) ÷ m(H₂O).
m(H₂O) = n(NaOH) ÷ b(NaOH).
m(H₂O) = 8.20 mol ÷ 1.35 mol/lg.
mm(H₂O) = 6.07 kg.
m - molality.
n - amount of substance.

Answer Link

Otras preguntas

Changing the sand structure and how quickly events unfold in a story can affect which literary element

A star's life is a battle between what two forces?

How many atoms of hydrogen are in two moles of ch4?

I need help with 36 I tired to show work I’m still confused

The graph of f '(x) is continuous and decreasing with an x-intercept at x = 2. Which of the following statements must be true? (5 points) The graph of f is alw

Three asteroids have exactly the same amount of mass. The distance from asteroid A to asteroid B is 200 km, the distance from asteroid B to C is 100 km, and the

Why did the reform movement gain momentum

Which kind of adverb is the underlined word in the sentence? Our newspaper is delivered daily. daily is underlined A. time B. manner C. place

A history teacher would like to show students when events occurred during world war ii. the organizational structure that best fits this purpose is

According to Newton's third law, what is likely to happen if you attempt to jump horizontally from a small boat to the dock before the boat is securely tied up