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
Alik [6]
1 year ago
12

Use the atomic mass of indium to calculate the relative abundance of indium-113.

Chemistry
1 answer:
ASHA 777 [7]1 year ago
7 0

The relative abundance of indium-113 is 4%.

The isotopes are species of the same element having the same atomic number but a different mass number.

The elements occurring in nature exist as multiple isotopes.

When we take into account the existence of these isotopes and their relative abundance (percent), the average atomic mass of that element can be computed, which is given by the following formula,

Average atomic Mass= (%age of isotope 1) x (Mass of isotope 1) + (%age of isotope 2) x (Mass of isotope 2)/100

Indium exists in the form of Indium-113 and Indium-115.

The mass of Indium-113 is 112.90 u.

The mass of Indium-115 is 114.90 u.

The average atomic mass of Indium is 114.82 u.

Let the %age of isotope 1(Indium-113) be X.

Then, the %age of isotope 2(Indium-115) would be 100-X.

Applying the values in the formula,

Average atomic mass = 112.90X+114.90(100-X)

114.82 = 112.90X+114.90(100-X)

On solving the above equation, the value of X comes out to be 4%.

Thus, the relative abundance/%age abundance of Indium-113 is 4%.

To know more about "Average Atomic Mass", refer to the following link:

brainly.com/question/13753702?referrer=searchResults

#SPJ4

You might be interested in
Which equilibrium system has HCO3- acting as a Brønsted-Lowry base?
IrinaVladis [17]
A Brønsted-Lowry base is a base is a proton acceptor.

In the only case where this is done is when HCO3- accepts a proton and becomes H2CO3.

In the other cases, HCO3- is donating a proton which makes it an acid.
8 0
3 years ago
Which statement is true about a reaction represented by a chemical equation that shows energy as a reactant?
vovikov84 [41]
A. It absorbs energy.
reactants are located on the left side of the equation, meaning energy among with other reactants were needed to get the reaction going, so it absorbed energy, which is also the endothermic process. The opposite of that would be having energy on the right side with the products which means that the reaction would've released energy which is the exothermic process. Hope this helps!
5 0
3 years ago
Read 2 more answers
A model of the solar system with the Sun at the center is said to be heliocentric.
torisob [31]
True is the correct because helio means sun in greek  and the sun is in the center of our universe
3 0
3 years ago
Read 2 more answers
How many gases are there that are not noble gases
natulia [17]

Answer:

Noble gas, any of the seven chemical elements that make up Group 18 (VIIIa) of the periodic table. The elements are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn), and oganesson (Og).

Explanation:

I pretty much covered it in my answer!

Pls Brainliest! It would mean a lot! ;)

8 0
3 years ago
What is the main cause of an earthquake
Natali5045456 [20]

Answer:

I thinks it's stress caused by plate movement hope this helps

4 0
3 years ago
Read 2 more answers
Other questions:
  • What is the vapor pressure of a 45.0 % solution of glucose, c6h12o6, at 90.0°c, given that the vapor pressure of pure water at t
    13·1 answer
  • Addition reactions of alkenes are characterized by _________. A) formation of a bond B) addition of two groups across a double b
    11·1 answer
  • Abby fills a graduated cylinder with 3 mL of water. She
    13·1 answer
  • A) Devices that transfer kinetic energy have what for their source of power?
    15·1 answer
  • What kind of chemical reaction does the chemical equation sodium plus chlorine --> sodium chloride represent?
    12·1 answer
  • Bowling with a volleyball instead of a bowling ball. Will this make it easier or harder to knock over pins?
    10·1 answer
  • In what type of reaction is water always a product
    10·1 answer
  • What is the mass of 925.4 L of hydrogen gas at STP?
    10·1 answer
  • How many grams of AlCl3 will be produced if 3.85 moles of Al react? Al + ___Cl2 → ___AlCl3
    7·1 answer
  • What is the volume in liters that is needed to create a 2.3 M solution with 3.7 moles of Fe(OH)2? Round your answer to 1 decimal
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!