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
IgorLugansk [536]
3 years ago
8

What does the atomic mass of an element on the periodic table represent?

Chemistry
1 answer:
Lynna [10]3 years ago
3 0
The atomic mass on the periodic table represents the sum of number of protons and number of neutrons.

Atomic mass = Number of protons + number of neutrons

Hope this helps!
You might be interested in
what volume of a 0.138 m potassium hydroxide solution is required to neutralize 26.0 ml of a 0.205 m nitric acid solution?
Law Incorporation [45]

A neutralization titration is a chemical response this is used to decide the composition of an answer and what kind of acid or base is in it. This is a way of volumetric analysis and the formula is (M1V1 = M2V2).

Utilize the titration method of M1V1 = M2V2 in view that we're given the concentrations of every compound and the quantity of KOH. Let: M1 = 0.138M, V1 = x, M2 = 0.205M, V2 = 26.0 ML.

  • M1 = initial mass
  • V1= initial volume
  • M2 = final mass
  • V2= final volume
  • (M1V1 = M2V2)
  • (0.138)(V1) = (0.205)x(26.0)
  • V2=(0.205)x(26.0)\ 0.138
  • V2 = 47.10 M/L
  • The final value of Volume needed for neutralization of nitric acid solution is  V2 = 47.10 M/L

Read more about the neutralization:

brainly.com/question/23008798

#SPJ4

4 0
1 year ago
HURRY WILL MARK BRAINILEST
natita [175]

Answer:

Explanation:

diffusion has already occurred

5 0
3 years ago
Read 2 more answers
Determine the vapor pressure (atm) of rubbing alcohol (isopropanol) at 20.0 °C. The normal boiling point of isopropanol is 82.3
jeyben [28]
Here we apply the Clausius-Clapeyron equation:
ln(P₁/P₂) = ΔH/R x (1/T₂ - 1/T₁)

The normal vapor pressure is 4.24 kPa (P₁)
The boiling point at this pressure is 293 K (P₂)
The heat of vaporization is 39.9 kJ/mol (ΔH)
We need to find the vapor pressure (P₂) at the given temperature 355.3 K (T₂)

ln(4.24/P₂) = 39.9/0.008314 x (1/355.3 - 1/293)
P₂ = 101.2 kPa
8 0
3 years ago
Anybody help?! please
Mashutka [201]
J.j Thomson electrons demo true indivisible sphere n Ernest central nucleas
3 0
3 years ago
When a container is filled with 3 moles of helium gas, 2 moles of oxygen gas, and 1 mole of carbon dioxide gas, the pressure in
zhenek [66]
<span>The mole fraction of oxygen gas is 2/6 =1/3, because there are 6 total moles of gas in the container. The partial pressure can be found by multiplying this mole fraction by the total pressure. So the answer is B. 262 kPA because 1/3(786)=262.</span>
8 0
3 years ago
Read 2 more answers
Other questions:
  • Can I use the sap of jackfruit to be used into a glue?
    10·1 answer
  • Fe(s) + CuSO4(aq) &lt;===&gt; Cu(s) + FeSO4(aq)
    10·1 answer
  • What does how will u experiment mean in making a science project
    13·1 answer
  • Which phase of matter has a fixed volume but variable shape?
    7·2 answers
  • Does pyridine undergo nucleophilic aromatic substitution reactions? If no, why not. If yes, on what position does the substituti
    14·1 answer
  • Which of the following best describes biogeochemical cycles? A. They cycle elements through the biotic and abiotic components of
    8·1 answer
  • What's the difference between spores and seeds?. PLEASE HELP!!!!!.
    9·1 answer
  • Are hybrids made by natural selection or artificial selection?
    7·1 answer
  • How many moles are there in 1 mole of argon?​
    14·1 answer
  • What titrant will be used to titrate the 0. 02 m hcl phenol red solution?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!