1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Grace [21]
3 years ago
14

Consider a situation in which 211 g

Chemistry
1 answer:
Stella [2.4K]3 years ago
3 0

Answer:

3.00 mol

Explanation:

Given data:

Mass of P₄ = 211 g

Mass of oxygen = 240 g

Moles of P₂O₅ = ?

Solution:

Chemical equation:

P₄ + 5O₂       →     2P₂O₅

Number of moles of P₄:

Number of moles = mass/ molar mass

Number of moles = 211 g / 123.88 g/mol

Number of moles = 1.7 mol

Number of moles of O₂ :

Number of moles = mass/ molar mass

Number of moles = 240 g / 32g/mol

Number of moles = 7.5 mol

Now we will compare the moles of product with reactant.

                       O₂         :         P₂O₅

                        5          :           2

                        7.5       :        2/5×7.5 = 3.00

                       P₄          :         P₂O₅

                        1           :           2

                       1.7         :       2×1.7 = 3.4 mol

Oxygen is limiting reactant so the number of moles of P₂O₅ are 3.00 mol.

Mass of P₂O₅:

Mass = number of moles × molar mass

Mass = 3 mol ×283.9 g/mol

Mass = 852 g

You might be interested in
Basically everything is in the picture, and i dont really understand please help.
zubka84 [21]
This is what I found

5 0
3 years ago
Determine the number of significant figures in 478 cm​
Grace [21]

Answer:

There are 3 significant figures on this one.

3 0
2 years ago
A solution contains 45 grams of nitrogen gas and 40 grams of argon. What is the mole fraction of argon in this solution?
Katarina [22]
 <span>0.38 

You first calculate the total moles by dividing the grams by molecular weight: 
45 g N2 / 28.02 g/mol = 1.6 mol N2 
40 g Ar / 39.95 g/mol = 1.0 mol 

Then you divide the moles of Ar by the total number of moles: 
1.0 / (1.6 + 1.0) = 0.38 mol fraction</span>
8 0
3 years ago
Equal volumes of H2 and o2 are placed in a balloon and then ignited. Assuming that the reaction goes to completion, which gas wi
Anastasy [175]
You will have excess O2. The ideal gas law dictates that all other variables kept the same, equal volume means equal number of moles.
7 0
3 years ago
Read 2 more answers
Plzz help guyss I'm so confused
Serga [27]
5 because A=v/t 20/4=5
8 0
2 years ago
Other questions:
  • How many grams are in 4.65 mol of AI(NO2)3
    13·1 answer
  • Particle 1 has a velocity v1 = 2 m/s and a mass m1 = 2 kg . this particle collides with particle 2 of mass m2 = 6 kg , which is
    13·1 answer
  • If you had a mixture that was found to contain 1.05g SiO2, 0.69g Cellulose and 1.82g Calcium Carbonate. What percentage calcium
    8·1 answer
  • PLEASE HELP!!!!! The table below shows the volume of two samples, X and Y, when placed in three containers of different volumes.
    12·1 answer
  • Which compound has the lowest melting point?<br> • CuO<br> • C6H12O6<br> K2Cr2O7<br> • BaCl2
    13·1 answer
  • A substance that's attracted to water molecules is called
    5·1 answer
  • Rank the following in order from most acidic to least acidic. sample pH bleach 12.5 coffee 4.2 rainwater 5.4 soap 10.1 (1 point)
    9·1 answer
  • 17. Which is a fat-soluble vitamin?<br> O vitamin B<br> O vitamin C<br> O vitamin A
    11·1 answer
  • Are the orbits of the planets could you pls help!!!! Pls don't send scam links !! in the solar system as they revolve around the
    8·1 answer
  • The. bond dissociation enthalpies of the H-H bond and the H-Cl bond are 435 kJ mol^-1 and 431 kJ mol^-1, respectively. The ΔHfO
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!