1.

Solve the following triads that it is dobereiner triads or not by calculating their atomic massesca=41.1,sr=87.6 ba =137.3​

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Answer:

We need to PROVE that SR's mass is equal to mean mass of Ca and Ba.

41.1 + 137.3/2 = 89.2.

Although the VALUE is close and can be ESTIMATED to 90g, it is not precise.



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