alyssagandaria77 alyssagandaria77

23-01-2021
Chemistry

contestada

How many moles of iron in a sample that contains 7.91×10^23 atoms of iron?

Respuesta :

Ayaan707 Ayaan707

23-01-2021

Answer: 1.31

Explanation:

No.of moles = given no.of atoms/Avagadro number

= 7.91×10^23 / 6.022 x 10^23

= 1.31

therefore, no.of moles = 1.31

Hope it helped u,

pls mark as the brainliest

^_^

Answer Link

Otras preguntas

Here’s another one thank u all for helping me. I really appreciate it!

0.75 divided by 0.125

what is Ethnic integration

Build a simple fire extinguisher model that can work at home using recycled materials. The appliance must be able to extinguish the fire caused by gas and oil s

x=x+3 by hypotenuse leg theorem

Arman, Babken, and Cecilia decided to compete in a 100m run. When Arman crossed the finish line, Babken was 10m behind him. When Babken crossed the finish line,

recovery methods from a database failure

I need help matching these

{-2x+y=0 5x+3y=-11 Solve the substitution

Which nation in Southwest Asia is considered economically advanced and fully developed? A. Israel B. Iran C. Syria D. Iraq Will mark Brainliest if correc