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3. 2071 (Set C) Q. No. 2 A divalent metal oxide contains 60% of
metal. What is atomic weight of metal?
Ans: Atomic weight: 24 amu
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According to the diagram; a) identify the anode of the cell and write the half-reaction that occurs there b) write the overall equation for the reaction that occurs as the cell operates c) calculate the value of the standard cell potential ,e cell. d)write the shorthand notation of the cell above e)indicate the flow of the electrons on the diagram

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?

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