projectwrx386 projectwrx386

30-09-2019
Chemistry

contestada

What is the mole fraction of ethanol in a solution made by dissolving 29.2 g of ethanol

Respuesta :

josephpalmer josephpalmer

07-10-2019

Answer:

Explanation: Moles ethanol = 21.9 g x 1 mole/46 g = o.476 moles

moles water = 53.6 g x 1 mole/18 g = 2.98 moles

total moles = 0.476 + 2.98= 3.456 moles

mol fraction ethanol = 0.476/3.456 = 0.138

Answer Link

Otras preguntas

14 2 7 3 9=10 insert symbols

how many molecules of water are formed when four amino acids join

Joe is 9 years older than susan their ages is a total of 41 how old are they

mary mixes white paint and blue paint in the ratio 2:3. she makes a total of 20 litres of paint. how much more blue paint does she need to add to the mixture so

What do you think Gomper meant when he said “workers must emancipate themselves”?

Jamal was in a relationship with someone his own age. his partner pressured him into having sex .He said he didn't want to have intercourse by was told that he

what the factor of 60

solve x^2 - 9x + 3 = 0

Emilia added 2 1⁄8 cups of brown sugar to the cookie dough and 1 2⁄8 cups of white sugar to the dough. How much more brown sugar did she add than white sugar?

Which is an adaptation for cold, snow-covered environments? slow movement eating plants small feet fur covering