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Solve the following triads that it is dobereiner triads or not by calculating their atomic masses ca=41.1,sr=87.6 ba =137.3 |
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Answer» ong>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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