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

harold designed a game board that is a square grid with 18 squares on each side hoiw many squares are on the grid? explain how you found your answer

You mix solution A with solution B in a beaker. Which of the following observations does not help you prove that a chemical reaction has occurred? A The beaker

What ocean separates north america and europe

Which of these is the largest quantity? O a gigabyte of memory the United States debt, trillions of dollars O a mole of carbon atoms a dozen eggs

The measure of an angle is 41°. What is the measure of its supplementary angle?

What percent of 55 is 34

The mean or average distance of the earth to the sun is 1.50 x 1011 m. How many significant digits are presented? 3 11 14

What is meant by the event horizon? Do you get ripped apart at this location or well before it? Explain. Define "singularity" and what the conditions are like a

Laura is mailing packages. Each small package costs her $3.40 to send. Each large package cost her $4.30. How much will it cost her to send 1 small package and

Solve the system of two equations in two variables. 5x - 2y = 8 15x - 6y = 16 Write the solution in the form (a,b), or write: No solution