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
Yuki888 [10]
1 year ago
6

A solution of saline may contain 1.81 mol of sodium chloride (NaCl). How many sodium atoms are present in the solution?

Chemistry
1 answer:
joja [24]1 year ago
5 0

Answer:

1.09 x 10²⁴ atoms Na

Explanation:

In one mole of NaCl, there is also one mole of Na. To convert between moles and atoms, you need to use Avogadro's number. When writing the conversion, the desired unit (atoms) should be placed in the numerator to allow for the cancellation of units (moles). The final answer should have 3 sig figs to match the given number (1.81 mole).

Avogadro's Number:

6.022 x 10²³ atoms = 1 mole

1.81 moles Na           6.022 x 10²³ atoms
---------------------  x  --------------------------------  =  1.09 x 10²⁴ atoms Na
                                       1 mole

You might be interested in
Please if any one know any question help me please
pashok25 [27]
Hhh hhbththrbvevevevevevr
7 0
2 years ago
i have a mixture of a tomato sauce, sugar, and carrots i bring a magnet close by. what does the magnet pick up and what is left
MrRissso [65]

Answer:

None.

Explanation:

Magnets only pick up metal, so in that case the magnet will not pick up any.

3 0
3 years ago
How to write half reaction for H2O2(aq) -> O2(g)
Ghella [55]
<span>The overall reaction is as follows:
H2O2 + 2ClO2 => 2ClO2- + O2 + 2H+ 
Half cell reactions:
</span><span>ClO2 + e- => ClO2- 
</span><span>H2O2 => O2 + 2H+ + 2e- </span>
7 0
2 years ago
Please help I will reward brainly
solong [7]
 E Z IT THE FIRST ONE
7 0
3 years ago
Read 2 more answers
Which type of fat is a solid at room temperature and does not have double bonds between carbon
melamori03 [73]

Answer:

Saturated Fats

Explanation:

Saturated fats are all of the above.

Also, Saturated fat is very unhealthy. Only consume it in small amounts.

7 0
2 years ago
Read 2 more answers
Other questions:
  • A solution was prepared by dissolving 40.0 g of kcl in 225 g of water. part a calculate the mass percent of kcl in the solution.
    5·2 answers
  • Which similarity did the Aztecs and ancient Egyptians share?
    8·2 answers
  • What are the properties of carbon dioxide?
    13·1 answer
  • What is fusion energy
    8·2 answers
  • Deserts are increasing world wide. This is known as
    15·1 answer
  • What happens to Earth’s temperature as cloud cover increases? A. The temperature increases. B. The temperature decreases. C. The
    10·2 answers
  • Explain reasons why <br>helium is used to fill balloon instead of hydrogen having a lighter weight​
    8·1 answer
  • During the phase change from solid ice to liquid water, which bonds/forces are being weakened?
    5·1 answer
  • Which statement describes effusion?
    14·2 answers
  • When a reaction is balanced we know that the number of _______ is the same on both sides of the reaction.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!