Question

X, Y, Z are the elements in the Dobereiner's triad. If the atomic mass of X is 35.5, and that of 127. What should be the atomic mass of Y?

Answer 1

Hii, you ans is here...

Atomic mass of Y is- 81.25

Here we will be using the formula

X + Z /2 = Y 's atomic mass

Hope this helps you,

If yes then please mark this answer as the brainliest

Answer 2

Answer:

81.25

Step by step:

Atomic mass of X=35.5

Atomic mass of Z=127

According to the Dobereiner's triad:-

Atomic mass of Y= (35.5 + 127)/2

= 162.5/2

= 81.25 (ans)