emjsisosos emjsisosos

09-01-2020
Chemistry

contestada

6. How many moles are represented by 11.5 g of C2H5OH?

Respuesta :

gbustamantegarcia054 gbustamantegarcia054

10-01-2020

Answer:

n C2H5OH = 0.2496 mol

Explanation:

moles (n) = mass / molecular weight

∴ m C2H5OH = 11.5 g

∴ Mw C2H5OH = (2)(12.011) + (6)(1.00794) + 15.9994 = 46.069 g/mol

⇒ n C2H5OH = (11.5 g)/(46.069 g/mol) = 0.2496 mol C2H5OH

Answer Link

Otras preguntas

Oscar has elected to have 23% of his federal income tax withheld as state income tax. If $154.00 was withheld as federal income tax on his last paycheck, how m

what is the longest flagpole (in whole feet) that could be shipped in a box that measures 2ft by 2ft by 12ft

how was tubman treated as a slave ?

How did French colonial rule affect Vietnam Cambodia and Laos in the years before independence

Darwin s theory of natural selection applies only to birds. a. True b. False

The tundra is a cold, ice-covered region on Earth. Recently there has been an increase in the number of plants growing there. This new plant growth is MOST like

myriah wants to use dimesional analysis to find out how many centimeters are in 1.4 meters

What is the solution for the system? Use the graph below y-x=-3 (line a) y+x=3 (line b) A. (0,3) B. (-3,0) C. (0,-3) D. (3,0)

Hazardous wastes are not found in residential homes. a. True b. False

In The Deserted Village, the village is deserted because the land has been bought by a lord who then turns the villagers out of their places. a. True b. False

good job