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
GrogVix [38]
3 years ago
8

1.505 times 10^23 Na atoms

Chemistry
1 answer:
Svet_ta [14]3 years ago
4 0

Explanation:

Given:

Number of atoms = 1.505 x 10²³

Let us solve for the number of moles and mass of this atom of sodium.

A mole of a substance is the amount of that substance that contains the avogadro's number of particles.

     1 mole of Na = 6.02 x 10²³ atoms

Number of moles of Na  = \frac{1.505 x 10^{23} }{6.02 x 10^{23} }   = 0.25moles

Mass of Na = number of moles x molar mass

Molar mass of Na = 23g/mole

 Mass of Na = 0.25 x 23 = 5.75g

learn more:

Number of moles brainly.com/question/1841136

#learnwithBrainly

You might be interested in
Draw a ionic Lewis dot structure for Ba + F<br><br> (Will give Brainliest for the best answer)
andreyandreev [35.5K]
Ionic Lewis Dot Structure for BaF2, hope this helps.

3 0
3 years ago
Really need help!
WARRIOR [948]
The magnitude of a star as it would appear to a hypothetical observer at a distance of 10 parsecs or 32.6 light-years. This rates how visible celestial bodies are when they are all viewed from the same distance. Luminosity: The brightness of a star in comparison with that of the sun.
7 0
3 years ago
Read 2 more answers
What are some facts about animal cells
11111nata11111 [884]
Compared to plant cells, which are shaped somehow like a box, animal cells are round and circular.

I hope this helps, please Brainliest me, and have a great day! :D
3 0
3 years ago
Read 2 more answers
What are the missing coefficents for the following equation? __N2+__H2-&gt;__NH3
vivado [14]

Answer:

1, 3, 2

Explanation:

N2 + H2 → NH3

I usually find that the best way to systematically balance an equation by inspection is to start with the most complicated-looking formula and then balance atoms in the order:

  1. All atoms other than O and H
  2. O
  3. H

(a) The most complicated formula is NH3.

(b) Balance N.

We have 1 H in NH3, but 2 N on the left. We need 2 N on the right. Put a 1 in front of N2 and a 2 in front of NH3.

1N2 + H2 → 2NH3

(c) Balance H.

We have fixed 6 H on the right, so we need 6 H on the left. Put a 3 in front of H2.

1N2 + 3H2 → 2NH3

The equation is now balanced, and the coefficients are 1, 3, 2.

5 0
3 years ago
I need help on #6 please
kobusy [5.1K]
6. a) Team 3 (b/c their numbers were closer apart then the rest)
    b)No they were not (can happen you might be precises but not accurate) 
    c)Team four, (on trial 4)
5 0
3 years ago
Other questions:
  • A solution of 10 M NaOH was used to prepare 2 L of 0.5 M NaOH. How many mL of the original NaOH solution are needed?
    15·1 answer
  • 4/5(2x 5)−4=1
    6·1 answer
  • Witch object has most potential energy.
    6·1 answer
  • How do protons neutrons and electrons affect the overall charge of an atom
    12·1 answer
  • In the science fiction movie, The Abyss, a diver is able to breathe while his head is immersed in a specially prepared liquid pu
    9·1 answer
  • How many lone pairs of electrons are represented in the Lewis structure of a phosphate ion (PO43-)? 10 12 21 24
    15·1 answer
  • Describe what you can do to reduce non-point source water pollution. List at least 3 specific actions, or, write 3 sentences abo
    5·1 answer
  • What is the formulaa for H2O
    13·2 answers
  • Which statements describe how traits are inherited? Check all that apply.
    13·1 answer
  • What volume (ml) of fluorine gas is required to react with 1. 28 g of calcium bromide to form calcium fluoride and bromine gas a
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!