Pdxdan3ijacques Pdxdan3ijacques

07-04-2016
Chemistry

contestada

what is the mass of 4.23×10^23 atoms of iron

Respuesta :

rockingholly24 rockingholly24

07-04-2016

First divide atoms by Avogadro's number:
(4.32x10^23)/(6.02x10^23) = .703mol Fe

Then multiply moles by its molar mass:
(0.703mol Fe)(55.85g/mol Fe) = 39.24g Fe

Answer Link

Otras preguntas

Someone please help me

Michael knows someone who is often sad and refuses to socialize with other people. Based on the lesson, which two disorders might Michael's friend have?

Compared to the president, do governors have more or less power? Why?

in 1965 congress established medicare to

"I am the poor white, fooled and pushed apart, I am the Negro bearing slavery's scars. I am the red man driven from the land..." is an example of symbolism.

Why do developing nations tend to be more heavily affected by pandemics then developed Nations

A 2-kg block rests on a wall that is 3 m tall. What is the gravitational potential energy of the block? The force of gravity on Earth ( g. is equal to 9.8 m/s2.

list some examples of goods thay you might use at school

List three rights protected by the U.S, Constitution before 1864.

Find the sum of the geometric sequence –3, 15, –75, 375, … when there are 7 terms and select the correct answer below.