Chemistry, asked by SandraRobin8760, 10 months ago

The relative abundance of two rubidium isotopes of atomic weight 85 and 87 are 75% and 25% respectively. The average atomic weight of rubidium is

Answers

Answered by bam10042001

6

Answer:

85.5

Explanation:

avg. at mass = [(85 x 75)+(87 x 25)]/100 = 85.5

Previous Question

Next Question

Similar questions

Hindi, 5 months ago

10 How did the child lose his interest in all the things he was interested earlier? a. Because of separation from his parents and losing his way. b. Because of no response from his parents c. Can't say d. Because his interest was chang ed...

Chemistry, 5 months ago

Identification and finding out the constituents of a substance is called___________ *...

English, 5 months ago

write about First encounter between d i c k and Mr.fitwarren...

Chemistry, 10 months ago

Explain the role of na3aif6 in electrolytic reduction of alumina...

Math, 10 months ago

$\frac{x - 2}{4} + \frac{1}{3} = x - \frac{2x - 1}{3}$ ...

Physics, 1 year ago

Magnetic effect of electric current important wuestion for board 0...

Physics, 1 year ago

Magnetic field due to current carrying wire at different points...

Math, 1 year ago

The sides of a different right-angled triangle are in the ratio 3:4:5 a) The length of the shortest side is 7.8 cm calculate the length of the longest side. b) Calculate the smallest angle in this triangle.