Physics, asked by RamCharan1322, 2 months ago

Ca, Sr and Ba are the elements in a Dobereiner traid. Atomic weight of Ca, Sr are 40gm and
87.5gm respectively. What is the atomic weight of Ba.​

Answers

Answered by 07poonamstar
0

Answer:

Acc. to doberenier trait the atons are in the increasing order of the atomic mass and the mass of middle atom is the rogh average of the other two atoms

so Ca + Ba/ 2 = Sr

40 + Ba = 87.5*2

40 + Ba = 175

Ba = 175 -40

Ba = 135

The atomic weight of Ba is 135

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