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

How does boxer rebellion relates to open door?
A train covers a distance of 51 km in 45 minutes. How long will it take to cover 221 km?​
If on substance has 9 positive charges and 11 negative charges is it positive or negative
Can someone help? An object is placed on a metre scale at 8 cm mark was focused on a white screen placed at 92 cm mark, using a converging lens placed on the sc
Acid rain is a dilute solution of acids that dissolve the calcium carbonate in limestone statues. Concentrated acids can dissolve a large piece of limestone in
PLEASE HELP ME I WILL BE RATING BRAINLIEST VERY URGENT: Can the number of electrons passing a point in a circuit be a decimal?
Please be quick! I need this as soon as possible!
If someone were to throw an object vertically, and catch it as it returned back down, describe how the velocity vector of this object changes over this period.
Use the distributive property to remove the parentheses.-6(11 - 2)​
determine the empirical formula of a compound containing 2.16 g of aluminium, 3.85 g of sulfur, and 7.68 g of oxygen