rRisti3neproftb rRisti3neproftb

23-02-2017
Chemistry

contestada

A flask contains 0.450 mol of liquid bromine, br2. determine the number of bromine molecules present in the flask.

Respuesta :

23-02-2017

So number molecules in the sample = moles x 6.022x10^23 molecules/mole
= 0.450 mol x 6.022x10^23
= 2.71x10^23 molecules

Answer Link

Otras preguntas

use the following words in a sentence (seperatley please)- volume, and meniscus.

The volume of a cube is 9000 m3. If the volume of the cube was measured in cm3, which would change?

Swimsuit discounted 65% on sale for $20.30.

1.Do whales have tales? 2.How long can a whale hold its breath?

Solve the equation with substitution 3x-2y=9 Y=2x-7

What event triggered World War II? A. Germany's annexation of Austria B. Germany's invasion of Poland C. Germany's occupation of the Sudetenland D. Germany's in

advantages of the 1920s

The scientific name for a plant that reproduces with flowers is a what

The Spanish base at __________ provided an essential link between East Asia and the Americas.

how can rich soil and a mild climate benrfit the economy of a region