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

Sara has 10 1/2 feet of ribbon to make bows. Each bow requires 1 3/4 yards of ribbon. How many bows can Sara make?
A 0.52 kg bowl is known to be 35% silver and 64% gold by mass. how many atoms of silver are contained in this bowl
Where would noblemen traveling during the Middle Ages most likely stay? A. At inns B. At castles C. At monasteries D. In tents
Ryan starts saving money to buy a car right after his 16th birthday. He already has $120 from his birthday. After 3 months he has $840 altogether. After 10 mont
write the place of the underline digit. 6_71,248,101
Can someone help with this question? I’m having trouble. Please give the correct answer!
You clean a community park for 6.5 hours. you earn $42.25. how much were you paid per hour. let w=hourly wage
The building of dams has greatly changed the distribution of water and caused conflict between which two southwest nations
If element x has 28’protons how many electirons does it have
Why is it good advice to indent all the statements inside a set of braces?