HanahJai HanahJai

22-10-2016
Chemistry

contestada

how many atoms are in a solid piece of iron that has a mass of 24.0g?

Respuesta :

Willchemistry Willchemistry

23-10-2016

Atomic mass iron ( Fe ) = 55.84 a.m.u

55.84 g ------------ 6.02x10²³ atoms
24.0 g ------------- ??

24.0 x ( 6.02x10²³) / 55.84

=> 2.58x10²³ atoms

Answer Link

Otras preguntas

Help please !!! Humberto quiere casarse con Atzak pero ella está ______ de otro extraterrestre que vive en su planeta y quiere regresar para estar con él. Me

state 4 businesses ideas around your school

Susan used 1/2 gallons of gas on Sunday and 3 5/8 gallons of gas on Monday. How many more gallons of gas did she use on Monday?

The marked price of a fan is Rs. 1800. If a shopkeeper allows a discount of 10% and still makes a profit of 20%, at what price had the shopkeeper bought the fan

Which angle in this quadrilateral is a right angle? Angle A Angle B Angle C Angle D

What is a zygote and how is it formed

3.3 Factorise fully: 3.3.1 x²-x-6

Blank measurements are useful for determining buoyancy and identifying relationships between substances. A. Weight B. Meniscus C. Density

elect the correct answer. Vhat sound device is used in this excerpt from "How the Animals Lost Their Tails and Got Them Back Traveling from Philadelphia to Medi

Geometry, please help!