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
KIM [24]
3 years ago
8

How many attoms are equal 6.19 moles of hydrogen?​

Chemistry
1 answer:
Wittaler [7]3 years ago
4 0

Answer:

3.727x10^24 atoms.

Explanation:

When calculating how many molecules are in a compound or element, we refer to Avogardo's number.

Your equation will look like this: 1 mole/ 6.022x10^23 molecules (Avogardo's number).

Multiply 6.19 by Avogardo's number to get your answer.

You might be interested in
While waiting for your car to warm up one winter morning, you notice a liquid dripping from your tailpipe. You recently
tangare [24]

Answer:

A

Explanation:

Menthol (M 156.3 g/mol), the strong-smelling substance in many cough drops, is a compound of carbon, hydrogen, and oxygen. When 0.1595 g of menthol was bunted in a combustion apparatus. 0.449 g of CO_2 and 0.184 g of H_2 O formed.

3 0
3 years ago
What volume is needed to make a 2.45 M solution of KCl using 0.50 mol of KCl
Ivan

Answer:

Explanation:

91.4

grams

Explanation:

C

=

m

o

l

v

o

l

u

m

e

2.45

M

=

m

o

l

0.5

L

2.45

M

⋅

0.5

L

=

m

o

l

m

o

l

=

1.225

Convert no. of moles to grams using the atomic mass of K + Cl

1.225

m

o

l

⋅

(

39.1

+

35.5

)

g

m

o

l

1.225

m

o

l

⋅

74.6

g

m

o

l

=

1.225

⋅

74.6

g

=

91.4

g

4 0
3 years ago
When measuring the volume of an irregularly shaped object you would measure the amount of water____ or pushed away
Over [174]
Displacement is the answer
3 0
3 years ago
How do you know if flammability is a chemical property
snow_lady [41]
When a fuel burns, it combines with oxygen int the air and changes into the substances water and carbon dioxide. That's how Flammability is a chemical property.
5 0
3 years ago
Read 2 more answers
Carbon burns in the presence of oxygen to give carbon dioxide. Which chemical equation describes this reaction?
sasho [114]
2.) carbon + oxygen → carbon dioxide 
6 0
4 years ago
Read 2 more answers
Other questions:
  • If a car passes a pedestrian, a change in pitch is __________.
    15·2 answers
  • Why did Rutherford conclude that the atom was mostly empty space?
    10·1 answer
  • Which cell has the better survival plan, animal or plant cell? Support your answer with facts I WILL GIVE BRAINLIEST ANSWER
    7·1 answer
  • Please help(15 points)
    8·2 answers
  • When discussing discordant and harmonious sound waves, which statement is false?
    7·1 answer
  • A manufacturing plan has been found guilty of polluting the nearby river. this is pollution
    15·1 answer
  • Select the correct answer from each drop-down menu.
    7·2 answers
  • Which terms correctly identify the indicated structures in this sketch of a cell viewed under a microscope? Match each label to
    15·1 answer
  • Which of the following describes a study that is “longitudinal”?
    6·1 answer
  • Which of the following ions is formed when a base is dissolved in a solution?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!