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
Natasha_Volkova [10]
3 years ago
6

How many moles of oxygen can be formed from 250 grams of aluminum oxide

Chemistry
1 answer:
Oksanka [162]3 years ago
8 0
2Al₂O₃ = 4Al + 3O₂

M(A₂O₃)=101.96 g/mol
m(Al₂O₃)=250 g

n(O₂)=3m(Al₂O₃)/{2M(Al₂O₃)}

n(O₂)=3*250/{2*101.96}=3.678 mol
You might be interested in
Which property do metalloids share?
uranmaximum [27]
Metalloids share many similar properties including: They appear to be metal in appearance, but are brittle. They can generally form alloys with metals. Some metalloids such as silicon and germanium become electrical conductors under special conditions. Mark me brainliest please
6 0
3 years ago
Given the reaction:
Nadusha1986 [10]
Your answer will be B 
8 0
3 years ago
Read 2 more answers
If the male monster has a straight tail, what does his genotype have to be?
Anarel [89]

i think a is the answer                            

8 0
3 years ago
Which two types of cells are involved in fertilization?
astra-53 [7]

Which two types of cells are involved in fertilization?

\sf\purple{D.\: egg\: cell;\: sperm \:cell}✅

  • Gametes are an organism's reproductive cells. The female gametes are called ova or egg cells, and the male gametes are called sperm.
  • During fertilisation, the gametes (an egg and sperm) fuse to form a zygote.

\circ \: \: { \underline{ \boxed{ \sf{ \color{green}{Happy\:learning.}}}}}∘

4 0
2 years ago
What is the mass of one gram of calcium?
Anvisha [2.4K]

pls follow me

Explanation:

The mass of one atom of calcium is the same as the molar mass of the calcium. Also, the atomic mass of calcium is 40.078 g/mol.

8 0
2 years ago
Other questions:
  • What's the difference between a molecule and a particle​
    8·1 answer
  • If I have a 32 fl oz os a solution that has 62% alcohol, how much of a solution of 91% alcohol do I need to add to get a final s
    7·1 answer
  • Explain why or why not it’s necessary for the scientific process to always follow the same route
    10·1 answer
  • What is the smallest unit of an element called
    12·2 answers
  • Fill the blanks in 17-23 please help!
    5·1 answer
  • Please help, this is due today. I will give brainliest
    12·1 answer
  • Why is one able to walk on red-hot coals without getting one’s feet burned?
    14·1 answer
  • In which of the following situations is heat transferred from the source to popcorn kernels by the method of conduction?
    9·1 answer
  • 5
    14·1 answer
  • Why are there discontinuities in the interior of the earth...​
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!