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
nikklg [1K]
3 years ago
8

The number of Al atoms in 0.25 mol of Al2(SO4)3​

Chemistry
1 answer:
Harrizon [31]3 years ago
4 0

Answer:

3.011 × 10²³ atoms of Al

Explanation:

Given data:

Number of moles of Al₂(SO₄)₃ = 0.25 mol

Number of atoms of Al = ?

Solution:

In one mole of Al₂(SO₄)₃  there are 2 moles of Al.

In 0.25 mol × 2 = 0.5 mol

1 mole of any substance contain 6.022 × 10²³ atoms.

In 0.5 moles of Al:

1 mole contain 6.022 × 10²³ atoms.

0.5 mol × 6.022 × 10²³ atoms/ 1 mol

3.011 × 10²³ atoms

You might be interested in
What is ionisation enthalpy?​
olga nikolaevna [1]

Answer:

In physics and chemistry, ionization energy or ionisation energy is the minimum amount of energy required to remove the most loosely bound electron of an isolated neutral gaseous atom or molecule.

Explanation:

7 0
2 years ago
Read 2 more answers
6. dissolving ice tea mix in water
Cloud [144]

Answer:

Dissolving ice tea mix in water is a chemical change

Explanation:

It is a chemical change because you can not bring back the ice tea mix back if you mix it in water.

Hope it helps

6 0
3 years ago
4,600,000,000,000 in scientific notation
BabaBlast [244]
4.6to the twelth power plus ten or something like that it has been a while since I have done the scientific notation but where ever you put in the number of zeros. is twelve
6 0
3 years ago
Weather, such as thunderstorms or rain showers, takes place in the _____. A. troposphere B. mesosphere C. stratosphere D. thermo
sasho [114]
Answer is A)<span> troposphere</span>
6 0
3 years ago
Read 2 more answers
Earth is approximately 1.5 x 10^8 km from the sun the. How far is earth from the sun meters
Zielflug [23.3K]

Answer:

{ \tt{1 \: km = 1000m}} \\ { \tt{1.5  \times {10}^{8} km =  (\frac{1.5 \times  {10}^{8} \times 1000 }{1} )m}} \\  = 1.5 \times  {10}^{11}  \: metres

4 0
2 years ago
Other questions:
  • A chemist prepares a solution of vanadium chloride by measuring out of into a volumetric flask and filling to the mark with dist
    8·2 answers
  • At a certain temperature this reaction follows second-order kinetics with a rate constant of 0.118 M^-1* s^-1:
    13·1 answer
  • You have a cup of hot water and you dissolve as much salt in it as possible. You then put the cup into the refrigerator and you
    13·2 answers
  • 2.93 mol of MgF2 to grams
    10·1 answer
  • Imagine that Kevin can instantly transport himself between Planet X and Planet Y. Which statement could be said about Kevin in t
    10·1 answer
  • BRAILY I NEED HELP ASAPP
    7·1 answer
  • What is the atomic mass of an atom that has 3 protons and 4 neutrons
    15·1 answer
  • The 4f subshell of an atom contains 14 electrons. What is the maximum number
    8·1 answer
  • Zeolite A, [(AlO₂)₁₂(SiO₂)₁₂] .27 H₂O, is used to soften water by replacing Ca²⁺ and Mg²⁺ with Na⁺. Hard water from a certain so
    10·1 answer
  • balance the reaction equation describing the biological formation of glucose (c6h12o6) with the lowest set of whole number coeff
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!