sertyladams14 sertyladams14
  • 18-06-2021
  • Chemistry
contestada

Calculate the molality of a solution that contains 75.0-grams of methyl alcohol, CH3OH, dissolved in 600.0-grams of
water.

Respuesta :

sebassandin
sebassandin sebassandin
  • 23-06-2021

Answer:

[tex]m=3.90mol/kg[/tex]

Explanation:

Hello there!

In this case, since the molality of a solution is calculated by dividing moles of solute by kilograms of solvent, it turns out firstly necessary for us to calculate the moles of methyl alcohol in 75.0 grams as shown below:

[tex]n=\frac{75.0g}{32.04g/mol}=2.34mol[/tex]

Then, the kilograms of water, 0.600 kg, and finally, the resulting molality:

[tex]m=\frac{2.34mol}{0.600kg}\\\\m=3.90mol/kg[/tex]

Regards!

Answer Link

Otras preguntas

use rounding or compatible number to estimate the difference 287- 162
the 13 states set up a loose association or blank, rather than a firm union
Five twelfths plus three eights
if g (x) =x 1/x-2 and h(x) = 4 – x, what is the value of (g*h)(-3)?
Which sentence does not contain any errors in capitalization?. . A.. What is a french manicure, Aunt Clare?. . B.. Remember to get some Italian bread, Dad..
Exciting is to thrill as difficult is to
What would most likely happen to plants if they did not have a waxy outer coating?.A. They would store more water in their leaves.. B. They would photosynthesiz
A box of crayons costs $1.75, including tax. Mr. Valentino wants to purchase boxes of crayons for his class and has a $25 budget. Write an inequality to solve f
D=v^0 t+1/2 at^2 the 0 is supposed to be really small right next to the v under it
is blue color a physical change