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
wolverine [178]
2 years ago
7

2 moles of substance A contains 12.04 × 1023 atoms.

Chemistry
1 answer:
professor190 [17]2 years ago
7 0

Answer:

2 moles of Substance B

Explanation:

Because 1 mole of any substance contains 6.02× 10²³ particles either atoms, molecules, ions or even electron(Avogardo Constant)

Therefore 12.04 × 10²³/ 6.02× 10²³  =  2 mole of Substance B

You might be interested in
What is liquor ammonia fortis?​
erik [133]

Answer:

Ammonia fortis liquor is a saturated solution of ammonia in water. It is also called 880 ammonia. Its relative density is 0.880. It is stored in tightly sealed bottles in a cold place. (Sorry if I'm wrong)

Explanation:

6 0
3 years ago
Read 2 more answers
Given a 1.50 Liters of solution that contains 62.5 grams of magnesium oxide. What is the Molarity of that solution? Please show
zhenek [66]
Given:
1.50 L
62.5 grams
and the MM of MgO: 40.31 g/mol

Molarity: mol/L

First, find mol.

62.5 g x 1mole ÷ 40.31 g = 1.55 mol

then divide mol and the given liters

1.55mol ÷ 1.50 L= 1.03 M
3 0
3 years ago
All the ways scientists do investigations
Eva8 [605]
Scientific metod this is one of them
3 0
3 years ago
What kind of force acts between magnetic poles if the poles are alike?
Alexxx [7]
A forcs of attraction
3 0
3 years ago
Read 2 more answers
Fictitious element X has an a average atomic mass of 254.9 and only 2 isotopes, One of its isotopes has an abundance of 72.00 an
elena-14-01-66 [18.8K]

Answer:

265.2amu

Explanation:

Given parameters:

Atomic mass  = 254.9amu

Abundance of isotope 1 = 72%

Atomic mass of isotope 1  = 250.9amu

Abundance of isotope 2  = 100  - 72  = 28%

Unknown:

Atomic mass of isotope 2 = ?

Solution:

To find the atomic mass of isotope 2, use the expression below:

Atomic mass = (abundance of isotope 1 x atomic mass of isotope 1) + (abundance of isotope 2 x atomic mass of isotope 2)

 Now insert the parameters and find the unknown;

  254.9  = (0.72 x 250.9)  + (0.28 x Atomic mass of isotope 2)

 254.9  = 180.648 + 0.28x atomic mass of isotope 2

 254.9 - 180.648  = 0.28x atomic mass of isotope 2

    74.25  = 0.28 x atomic mass of isotope 2

    Atomic mass of isotope 2 = 265.2amu

8 0
3 years ago
Other questions:
  • Which best describes how isotopes of the same element differ?
    13·1 answer
  • What is unsaturated solution​
    12·2 answers
  • The normal boiling point of water is:
    5·1 answer
  • 1. How many protons and electrons are present in a vandium atom
    5·2 answers
  • Explain the difference between a front and an air mass.
    7·1 answer
  • Plz help bc this s due at exactly 3:30pm
    14·2 answers
  • Describe three findings of the Human Genome Project<br> Write it in your own words
    12·1 answer
  • Are bath bombs pure substances or mixtures
    6·2 answers
  • A chemist wants to calculate the amount of heat that is absorbed by a sample of copper as it is melted. Which constant should sh
    7·1 answer
  • Ima 5% glucose solution, how many grams of glucose would be present per 100mL
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!