macbsu2021 macbsu2021
  • 11-05-2020
  • Chemistry
contestada

How many moles of O2 are required to react completely with 1.396 g of Fe?

Respuesta :

drpelezo
drpelezo drpelezo
  • 11-05-2020

Answer:

moles O₂ needed = 0.19 mole

Explanation:

4Fe(s) + 3O₂(g) => 2Fe₂O₃(s)

1.396g Fe(s) = 1.396g/56g/mol = 0.025 mole Fe(s)

0.025 mole Fe(s) reacts with 3/4(0.025 mole O₂(g) = 0.019 mole O₂(g)

Answer Link

Otras preguntas

Does a scalene always have to have unequal sides?
Determine the type and number of solutions of 7x^2+3x+8=0
Write 3/5, 1 2/3, 15/7, 1/2, 2 5/8, and 9/4 in order from least to greatest!!!
how do you solve the equation 2s+3=14s
How do you write I am 10 years old in japenese ( hiragana )
what muscles are involved when you're tying your shoe laces
What are the essential 4 parts for a civilization to develop? Explain how rivers were the source of civilization?
A uniform wire is cut into 4 segments. Each segment is twice as long as the earlier segment. If the shortest segment has a resistance of 4 ohm, find the resista
Solve the equation: -5/4n  = 40My answer choices are: A: n = -50, B: n = -32, C: n = 32, D: n = 50
Which statement accurately describes the Battle of Marathon?   A. Athens fought alone against Darius's army and decisively defeated the Pers