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
Furkat [3]
2 years ago
6

How many atoms are in 45.22 moles of strontium​

Chemistry
1 answer:
AleksandrR [38]2 years ago
7 0

Answer:

272.31× 10²³ atom of strontium

Explanation:

Given data:

Number of moles of strontium = 45.22 mol

Number of atoms = ?

Solution:

The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.  The number 6.022 × 10²³ is called Avogadro number.

1 mole = 6.022 × 10²³ atoms

45.22 mol × 6.022 × 10²³ atom / 1 mol

272.31× 10²³ atom

You might be interested in
Solid added to liquid and the solid floats down to bottom of container physical or chemical change?
Makovka662 [10]

Answer:

Physical change

Explanation:

4 0
3 years ago
Can you help me with three please? We’re balancing electrons
Aneli [31]

Answer:

Explanation:

I did this class yesterday give me like 10min imma find my anwsers

4 0
2 years ago
A schoolbus accelerates to 65 mph and enters the freeway. It travels
Inessa [10]

Answer:

Distance cover by school bus = 149.5 miles

Explanation:

Given:

Velocity of school bus = 65 mph

Time taken by school bus = 2.3 hours

Find:

Distance cover by school bus

Computation:

Distance cover = Velocity x Time taken

Distance cover by school bus = Velocity of school bus x Time taken by school bus

Distance cover by school bus = 65 x 2.3

Distance cover by school bus = 149.5 miles

7 0
3 years ago
The lattice energy of a salt is related to the energy required to separate the ions. For which of the following pairs of ions is
kati45 [8]

Answer:

(A) Mg²⁺ and O²⁻

Explanation:

6 0
2 years ago
Which total mass of iron is necessary to produce 1.00 mole of copper?
Harman [31]
1 mole Fe produces 1 mole Cu 
<span> molar mass of Fe is 55.8 g / mole 
 
answer: </span><span>55.8g</span>
4 0
3 years ago
Other questions:
  • the reaction Br2(l)-&gt;Br2(g) has a deltaH=30.91 kJ and a deltaS=.0933 kJ/K. at what temperature does this reaction become spon
    15·1 answer
  • The molal boiling point elevation constant Kb= 2.13 ℃kgmo-for a certain substance X, when 12. g of urea are dissolved in 100. g
    14·1 answer
  • Why are enzymes known as biocatalysts? Enzymes act as catalysts that modify themselves to increase the rate of chemical reaction
    9·2 answers
  • A(n) ____________________ is a compound that turns litmus blue and is often found in soaps and detergents.
    5·1 answer
  • The variable n represents
    8·1 answer
  • Can cells have different types of openings?
    10·1 answer
  • How are pressure and temperature related to each other?
    7·1 answer
  • Linda takes her pet German shepherd to a dog park and sees many different breeds of dogs. What is the term for any difference be
    7·1 answer
  • How many moles in 6.57 x 10^24 formula units of NaCl?
    9·1 answer
  • HNO3(aq)+H2S(s)&gt; Ss)+ NO(g)+H2O(l)
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!