art51 art51
  • 03-10-2021
  • Chemistry
contestada

How many atoms are there in 0.028 grams
of iron metal?
12:50 ✓

Respuesta :

himaruanuk
himaruanuk himaruanuk
  • 03-10-2021

Answer:

30100000000000000000 atoms

Explanation:

Ar of Fe : 56

0.028/56 = 0.0005 moles of Fe

0.0005 * 6.02 * 10^23(Avagardro's law of constant)

= 3.01*10^20 atoms

Answer Link

Otras preguntas

The quadratic equation y = -16t^2 + 4t + 2 represents a moving object's trajectory where y is the object's height in feet above the ground after t seconds. At w
Anna is scolded for being a female and not covering her head true or false
plz answer them and thank you
please helpp !! Define Mercantilism. 3 sentences or more !
answer pls i will give brainliest!
Jemima has twice as much moneyas Matthew. Jemima has four timesas much money as Sally, Sally has$3 more than Andrew. If Matthewhas $14, how much money doAndrew,
what are the answers?
Which one is correct please get it correct
Integral of u' over (u^2-a^2)
A Cathode of initial mass 10.00g weigh to 10.05gafter a Current of SA passes through the voltmeter of 10 minutes - Calculate the E.C.E of the metal deposed​