Boron has two isotopes, B-10 and B-11. T...

Boron has two isotopes, B-10 and B-11. The average atomic mass of boron is found to be 10.80u. Calculate the percentage of abundance of these isotopes.

B-10=80% , B-11=20%

B-10=40 % , B-11=60%

B-10=20 % , B-11=80%

B-10=70 % , B-11=30%

Text Solution

Verified by Experts

Topper's Solved these Questions

D BLOCK ELEMENTS
RESONANCE ENGLISH|Exercise EXERCISE-3 PART-III|37 Videos
ELECTRO CHEMISTRY
RESONANCE ENGLISH|Exercise PHYSICAL CHEMITRY (ELECTROCHEMISTRY)|53 Videos

Similar Questions

Explore conceptually related problems

An element is found in nature in two isotopic forms with mass numbers (A-1) and (A+3). If the average atomic mass of the element is found to be A, then the relative abundance of the heavier isotope in the nature will be :

An element A exist in two isotopic forms A^15 and A^16 . If the average atomic mass of A was found to be 15.24, then the % relative abundance of A^15 will be

Carbon found nature as a mixture of C-12 and C-13. The average atomic mass of carbon is 12.011u. What is the percentage abundance of carbon-12 in nature ?

(i) How would you define the terms atomic mass and molecular mass ? (ii) Nitrogen occurs in nature in the form of two isotopes with atomic masses 14 and 15 respectively. If the average atomic mass of nitrogen is 14.0067, what is the percent abundance of the two isotopes ?

Naturally occurring boron consists of two isotopes whose atomic weight are 10.01 and 11.01 The atomic weight of natural boron is 10.81 Calculate the percentage of each isotope in natural boron

Naturally occurring boron consists of two isotopes whese atomic weights are 10.01 and 11.01 . The atomic weight of natural boron is 10.81 . Calculate the percentage of each isotope in natural boron.

Nitrogen occurs in nature in the form of two isotopes with atomic mass 14 and 15 respectively. If average atomic mass of nitrogen is 14.0067, what is the % abundabce of the two isotopes ?

Boron has two stable isotopes, .^(10)B(19%) and .^(11)B(81%) . The atomic mass that should appear for boron in the periodic table is

RESONANCE ENGLISH-DPP-QUESTIONS

Volume at NTP of 0.22 g of CO(2) is same as that of
Text Solution
|
Which of the following is incorrect about a sample of 11.2L CH4 gas at...
Text Solution
|
Boron has two isotopes, B-10 and B-11. The average atomic mass of boro...
Text Solution
|
0.2 moles of an unknown compound weigh 5.6 g. The unknown compound is
Text Solution
|
Which of the following statements about the electromagnetic radiation ...
Text Solution
|
Be^(3+) and a proton are accelerated by the same potential. Their de-B...
Text Solution
|
If numberical value of amss and nergy are equal then the De broglie wa...
Text Solution
|
The wave motion of an electron in a Bohr's orbit of hydrogen atom is a...
Text Solution
|
If the de-Broglie wavelength of an electron revolving in 2^"nd" orbit ...
Text Solution
|
The most probable radius (in pm) for finding the electron in He^(+) is
Text Solution
|
What is the ratio of minimum to maximum wavelength of radiation emitte...
Text Solution
|
An electron jumps from n^"th" level to the first level. The correct ...
Text Solution
|
Statement -1:It is possible to measure simultaneously both the positio...
Text Solution
|
According to Heisenberg's uncertainty principle, on increasing the wav...
Text Solution
|
The uncertainty in momentum of an electron is 1xx10^(-5)" kg m/s". Th...
Text Solution
|
Given m(e)=9.11 xx 10^(-31)kg and h = 6.626 xx 10^(-34)Js, the uncerta...
Text Solution
|
if uncertainty in momentum is twice the uncertainty in position of an ...
Text Solution
|
Which of the following statement is correct
Text Solution
|
A certain dye absorbs light of cerain wavelength and then fluorescence...
Text Solution
|
In a single isolated atom of hydrogen electron make transition from ...
Text Solution
|